Reversible Chaise 17 Stories Corner Sofas

These combination sofas offer oversized seating and a contemporary design. The sofas feature square arms and sleek, understated solid wood legs, upholstered in a soft, high-performance corduroy fabric for comfort and durability. This two-piece sofa set includes a loveseat and an ottoman, perfect for adding elegance to your living room or den. Contemporary lines are complemented by plush comfort. These sofas feature an engineered wood frame wrapped in foam and super soft corduroy cushions for enhanced visual texture. The seat and back cushions are removable for thorough vacuuming, and the sofa components are securely attached with the included bracket clips. You and your family will love curling up on this sofa for an afternoon nap or movie night.

Love everything about it so comfy great size. Jackievc. Bradford. Tue Sep 15 2026

Do you want to create a living room where everyone feels comfortable and relaxed? Our PEDRO corner sofa is the perfect choice – a symbol of elegance and comfort that combines modern design with exceptional coziness. Although simple in form, the Pedro sofa immediately draws attention with its refined design and outstanding aesthetic. Its unique look makes it the centerpiece of any interior. Additionally, the decorative stitching on the seat adds sophistication and character, making it an excellent choice even for minimalist spaces. A major advantage is its versatility: the ottoman can be positioned on either the right or left side, according to your needs and preferences. Thanks to the pull-out bed function, you can easily transform the sofa into a comfortable bed measuring 125x200 cm. Moreover, the sofa features a practical storage compartment for bedding, allowing you to store duvets, pillows, or other items, making it even more functional for your living room. The timeless L-shaped design of the Pedro sofa provides plenty of seating and lounging space. This makes it perfect for inviting guests or friends without worrying about running out of space. Comfort is ensured by the resilient seat, filled with soft, flexible T30 polyurethane foam, providing proper support and comfort for extended sitting. Its neutral color palette allows it to blend seamlessly with various interior styles, from modern to more classic designs. Dusty pink is subtle and delicate, adding warmth and character to a room, while mustard is a deep yellow shade that brings elegance and warmth, instantly catching the eye. Both colors can stand out in your interior design, especially when used as accents in a more neutral setting.

Very happy with my purchase. The instructions are printed on the side of the box (which was in another box) so I didn't find them until I was breaking the cardboard down but managed to work out how it went together myself. Pretty easy to assemble. Nice, firm sofa. Love the pull out mechanism.. Melissa. London, GB. Thu Aug 27 2026

The BUENO upholstered corner sofa is the perfect choice for those seeking an elegant, functional, and comfortable piece for the living room. Its timeless L-shaped design fits beautifully into both modern and classic interiors, while the decorative deep stitching on the seat in a glamour style adds a unique character. This model features a practical pull-out sleeping function, which can be easily extended forward to transform the sofa into a comfortable bed for family members or guests. An additional advantage is the spacious storage compartment under the seat, offering a convenient solution for storing bedding and maximizing space. The seat is made with flexible T30 foam and wave springs, ensuring high comfort and long-lasting durability. Stability is provided by sturdy plastic legs that complement the overall design. The BUENO sofa has a reversible configuration, allowing the chaise to be positioned on either the right or left side, so it can perfectly adapt to your room layout. It is also freestanding, upholstered in fabric on the back, so it can be placed anywhere in the living room, not just against a wall. The set includes removable back cushions and two decorative pillows, enhancing relaxation and making it easy to keep clean. The BUENO corner sofa combines style, practicality, and comfort, becoming an eye-catching and functional centerpiece for any living space—ideal for both daily lounging and entertaining guests.

Sofa is really cute and very easy to build too. Texture is better than we expected, fluffy and nice. Delivery people are very helpful and friendly.. Anna. Surbiton, GB. Thu Apr 30 2026

This powerful Sofa features a built-in armrest cup holder, a side magazine pocket, and hidden storage for all your essentials. Easily transform your sofa into a bed thanks to the retractable bed frame that effortlessly switches between modes. Made with pet-friendly, scratch-resistant Ultimate tactile velvet fabric.Upgrade your space with this versatile sofa today!

So comfy and soft! 100 recommend for smaller families and sofa bed very comfortable. Cup holder are really useful and the under sofa ottoman really spacious. Anonymous. Sat Apr 18 2026

Are you looking for a unique corner sofa where style meets comfort and functionality? Then take a look at our upholstered corner sofa CARlos and experience how your living room comes to life!

Just perfect , and arrived the next day early morning. Anonymous. Tue Jul 07 2026

Discover the versatility of the modular sectional sofa from HOMCOM, a clever blend of style and functionality. Transform it from a 2/3 seater fabric couch to an L-shaped corner sofa or even a single small sofa with ease, thanks to its customizable modules including an ottoman. Each section hides a storage space, suitable for decluttering your living room or home office, all wrapped in a tufted flannel-feel fabric.- Modular sofa pieces combine or separate for flexible layout options; - Storage available under each module for hidden convenience; - Tufted flannel-feel fabric offers luxurious, soft seating; - Thick seat cushions provide supportive comfort with high-density sponge; - Solid eucalyptus wood frame for durability; - Removable and washable pillow covers simplify cleaning; - Suits living rooms, home offices or family rooms; - Easy assembly, with all necessary tools included under modules;- - Materials: Snow Flannel (100% Polyester), Sponge, Eucalyptus Wood, Plastic

Great sofa for small spaces that gives so much extra hidden storage, nice fabric colour and feel, just a bit hard to sit on so I added extra cushions and throws. Easy and quick to assemble and came well packaged.. Anonymous. Thu Apr 30 2026

Transforming from a sofa into a guest bed in seconds - this sofa bed is an essential for every home. Plus, it has a discreet compartment in the chaise: storage of soft furnishings and accessories always kept out of sight. Filled with high-density foam, and wrapped in linen-look upholstery, this is a comfortable and soft piece you'll love using - whether that's during the day or night.- Sofa effortlessly converts into a bed. Great for overnight guests; - Hidden storage compartment in the chaise. Room for blankets, soft furnishings and more; - Reversible chaise: place on either side for a layout which suits you; - Three removable back cushions for extra comfort and support; - High-density foam filling, with 'S' springs and elastic bands. Comfortable and retains the shape; - Eucalyptus wood and steel blend frame. A strong and supportive core; - Maximum load 330 kg, easy to assemble;- Colour:, Black; - Material: Linen (100% Polyester), Foam, Eucalyptus Wood, Metal; - Overall Dimension: 197W x 129D x 85H cm; - Bed Surface Size: 173L x 101W x 44H cm; - Seat Size: 173W x 53D x 45H cm; - Seat Thickness: 15 cm; - Backrest Size: 173W x 43H x 16D cm; - Armrest Size: 64L x 10W x 10H cm; - Each Cushion Size: 58L x 43W x 16D cm; - Storage Size: 110L x 50W x 16H cm; - Weight Capacity: 330 kg; - Item Label: 83B-560V70CG; - Note: The back cushions are vacuum-packed and need 3–4 days to rebound to their optimal shape;

Nice stuff easy to fix. Rai. Hayes. Sat Aug 01 2026

This versatile sofa is the perfect solution for stylish living in a small space. Its soft Oxford fabric exudes modern elegance, and its versatility will quickly become a focal point in your living room. The sofa is versatile: the footstool and bed are interchangeable, allowing you to perfectly match your room's décor.

Great looking sofa, a bit of a hassle to assemble but once done it looks really good. Anonymous. Tue Aug 11 2026

Transform your living room into a cozy, modern retreat with our convertible modular sectional sofa — the ultimate blend of style, flexibility, and comfort. Whether you’re hosting a movie night with friends, curling up with a book, or rearranging your space for a fresh vibe, . Wrapped in luxuriously soft chenille fabric, the sofa invites you to sink into plush, high-density foam cushions that balance cloud-like comfort with lasting support. Its modular design lets you rearrange the seat cushions into an L-shape, straight line, or any configuration that fits your room. The most special feature is the armless chair, which can be freely converted into a footstool or coffee table base, making it perfect for small apartment units, family rooms, or home offices. Assembly takes minutes with no tools required — just unpack, snap the modules together, and start relaxing. Upgrade your living space today with a sofa that works as hard as you do.

I just love the comfort. It has a lot of recoil and it’s comfortable. The fabric is very soft and looks amazing in beige!. Anonymous. Mon Sep 07 2026

This corner sofa chaise is a simple, stylish, and perfect small space solution with its compact design and functional features. Upholstered with delicately crafted diamond tufting and brass legs for a flawless install-worthy look. The chaise can be configured to be set up on either side of the futon and the wide storage compartment is perfect for additional storage. The adjustable back allows you to recline to a perfect comfort setting or lie flat for the best night's sleep you ever had.

This is a great sectional couch. I loved the quality and the material. I bought the blue one and so far it really complements my living room space.. Anonymous. US. Mon Jan 11 2021

This sofa bed blends comfort and contemporary design, available in a luxurious velvet upholstery or boucle fabric and a compact, space-saving frame ideal for modern homes. With its ultra-soft backrest and deep, fiber-filled seat, it provides cozy seating during the day and easily converts into a supportive bed with a simple pull-forward motion and a Chaise storage section. Delivered flat-packed, it’s perfect for relaxing or accommodating overnight guests.

Very comfortable, fits perfectly in our room and exactly as described. Would definitely recommend. Lana. Lowestoft, GB. Wed Sep 09 2026

The Arlo range features clean, square lines and a modern, elegant design, accented by attractive button tufting on the back cushions for a sophisticated, textured look. The comfortable arm cushions offer added support, enhanching the overall comfort. With its refined details and sleek aesthetic, this sofa makes a stylish focal point for any living space.

This 3-in-1 convertible chenille sectional sofa bed combines comfort, storage and modern convenience in one versatile piece. It features a reversible storage chaise, an L-shaped sleeper design, an integrated charging station with USB and Type‑C ports, plus adjustable armrests with side storage, making it ideal for contemporary living rooms, apartments and home offices.

Love my new sofa especially the sofa bed. Abit overwhelming the amount of parts but once built super happy.. Anonymous. Fri Mar 27 2026

This executive office chair will be a great addition to any office, It offers a 360-degree swivel, adjustable height, and casters for movement. The seating is made of PU leather giving you optimum comfort. The chair has a star-shaped base with casters for easy moving, also making the chair hold up to 120kg. This chair will be a great addition to any office or home matching any décor.

Back rest missing and my tenant is moving in on the 14/6. Mahendra. GB. Fri Jun 05 2026

A modern corner sofa with a sleeping function and storage compartment is the perfect combination of style, comfort, and functionality, designed for discerning users who value both aesthetics and practicality. Made from high-quality Quelle and Centaur fabrics, the sofa features a contemporary look, a soft-to-the-touch surface, and increased durability for everyday use. The deeply quilted seat gives the sofa a distinctive character while ensuring high comfort, blending seamlessly with both modern and classic interiors. The seat interior is filled with flexible T30 foam, providing proper support and comfort even during extended relaxation. Additional reinforcement with wave springs enhances the sofa's durability, improves weight distribution, and prevents deformation, ensuring it maintains its shape for many years. The manually pull-out sleeping function allows the sofa to quickly and easily transform into a bed, ideal for guests or daily use. The storage compartment hidden under the seat offers ample space for bedding, helping to keep the living room organized.

Glamour and style are in abundance with this reversible corner sofa chaise. Upholstered in lush velvet-like upholstery, the sofa is perched on sleek, contrasting black plastic legs for durability and style. The sofa's compact and interchangeable design features a fab floating chaise that can be positioned on either side for full-on versatility and comfort. With its narrow mailbox arms and modern tufting, this sectional chaise sofa gives all the vintage aura and glam vibes needed to uplift your lounge.

Perfect for the space! My husband is a Geo Bachelor and we needed something for his work apartment. This fit the space and added the the color and character that was needed. It is comfortable and I love the chaise part. It took us under 20 minutes to put together and was better than expected. His apartment is kid/pet free. This is great for an adult apartment. The fabric and color are also different than others I was considering. I am glad I choose this one.. Sangurkie. Manassas, VA. Fri Dec 18 2020

If you're looking for a place where you can truly relax and leave everyday stress behind, the BALOO corner sofa was created for that purpose. The BALOO corner sofa is more than just a piece of furniture — it is a tribute to rest and personal comfort. It is a space where you can slow down, disconnect from daily routines, and simply enjoy the moment, surrounded by softness and tranquility.

Are you looking for a large, comfortable, and stylish corner sofa for your living room? The PEDRO upholstered U-shaped corner sofa is the perfect combination of modern design, high comfort, and practical features, making it ideal both for everyday use and for gatherings with family and friends. This model combines a timeless shape with trendy glamour-style details – decorative stitching on the seat gives it a unique character and elegance. PEDRO is a corner sofa with a sleeping function, which can easily be transformed into a comfortable bed for guests thanks to the manually extendable middle section. Another advantage is the spacious storage compartment for bedding hidden under the seat, helping you keep your living room organized and saving space in your wardrobes. For maximum comfort, the seat is made of flexible T30 foam that retains its resilience for a long time and is reinforced with wave springs, providing optimal support and seating comfort. The entire structure rests on sturdy plastic legs, ensuring stability.

This beautifully made sofa is both stylish and comfortable. It boasts of quality fabric and thick cushions, a great piece to relax in.

Easy to assemble, did it alone! Sturdy and comfy as well. Love my new sofa!. Janice. Derby, GB. Sat Mar 08 2025

Do you dream of a living room where everyone feels comfortable and at ease? The PARIS corner sofa is the perfect solution, combining modern design with exceptional comfort, making it the centerpiece of your interior. Despite its simplicity, the PARIS sofa catches the eye with its carefully crafted design and exceptional aesthetics. Its unique appearance, highlighted by smooth lines and a clean form, adds elegance and character, making it a perfect fit for minimalist interiors. Moreover, the sofa is upholstered in high-quality, thick corduroy, which is not only pleasant to the touch but also provides incredible comfort, wrapping the body and inviting relaxation.

A modern corner sofa with a sleeping function and storage compartment is the perfect combination of style, comfort, and functionality, designed for discerning users who value both aesthetics and practicality. Made from high-quality Quelle and Centaur fabrics, the sofa features a contemporary look, a soft-to-the-touch surface, and increased durability for everyday use. The deeply quilted seat gives the sofa a distinctive character while ensuring high comfort, blending seamlessly with both modern and classic interiors. The seat interior is filled with flexible T30 foam, providing proper support and comfort even during extended relaxation. Additional reinforcement with wave springs enhances the sofa's durability, improves weight distribution, and prevents deformation, ensuring it maintains its shape for many years. The manually pull-out sleeping function allows the sofa to quickly and easily transform into a bed, ideal for guests or daily use. The storage compartment hidden under the seat offers ample space for bedding, helping to keep the living room organized.

The modern upholstered corner sofa Opera combines functionality with elegance, offering a sleeping function and a bedding storage compartment for added convenience. With the option to mount the ottoman on either the left or right side, it can be perfectly adapted to any interior layout.

A stylish and functional upholstered corner sofa covered in Manila fabric, available in five trendy colors, is an excellent choice for those seeking a piece of furniture that combines comfort, practicality, and elegance. Thanks to the manually extendable pull-out bed function, the sofa can quickly transform into a comfortable sleeping area, ideal for daily use or for guests. Additionally, a spacious storage compartment for bedding is hidden under the seat, providing practical space for storing duvets, pillows, or blankets. The seat is filled with flexible T30 foam, ensuring excellent resilience, and for even greater comfort, wave springs have been added, guaranteeing durability and comfort for many years. The entire structure rests on sturdy plastic legs, providing proper support and making it easier to keep the area under the furniture clean. A major advantage of this corner sofa is that it is freestanding—its back is also upholstered, allowing it to be placed anywhere in the living room, not just against a wall. Moreover, the model features universal assembly, meaning the ottoman can be installed on either the left or right side, depending on individual needs and the room layout.

Ideal small space living room furniture. Modern L shaped sectional sofa designed with chrome legs and a soft velvet upholstery to lounge in complete comfort.Slender mailbox arms maximize seating space. Floating ottoman or chaise can be placed on either left or right side for added functionality.

The SOFIA corner sofa is an elegant and spacious U-shaped piece that impresses with its soft, rounded lines, a practical sleeping function with a convenient DL mechanism, and a large bedding storage compartment, offering maximum comfort and everyday functionality. Looking for a corner sofa that combines outstanding design with everyday comfort? The SOFIA U-shaped corner sofa is the perfect solution for those who want to combine stylish aesthetics with maximum relaxation in their living room.

The VENUS corner sofa combines elegance, modern design and everyday functionality in one stylish piece of furniture. The soft corduroy fabric with a distinct weave gives it a cosy character and exceptional durability. With its sleeping function, bedding storage and the option of installing the chaise on both sides, VENUS provides complete comfort and flexibility in interior design.

The sofa it’s slightly different than picture (in terms of color and shape) - however a good product. Walter. London, GB. Sun Apr 26 2026

The Multipurpose Modular Fabric Sofa Set includes a 3-seat sofa and a reversible chaise lounge. This sofa can be placed on the right or left side with the armchair while acting as a separate sofa and ottoman. Designed to decorate Your Home by mixing classic and rustic elements. The material is fabric. Sectional sofa set saves space. Perfect for small apartments. This reversible, small-space sectional sofa comes with a movable ottoman. You can place the square ottoman on the left or right of the sectional sofa to fit your living room wall. Dimensions: Mount as recliner: 184 x 128 x 87 cm, Mount as sofa: 184 x 74 x 87 cm, Ottoman: 55 x 55 x 42 cm. This elegant and practical sofa with cushion can be converted into a 184 x 128 cm recliner with a modern and classic Easy-to-follow instructions ensure a perfect build and the sofa sets up quickly and easily. FEATURES: Modular Sofa Set. Provides space solutions. Convenient for both entertaining guests and spending days of leisurely relaxation. You can place this sofa on the right or left side of the armchair. Includes a movable ottoman, a 3-seat sofa, and a reversible chaise lounge.Excellent craftsmanship with a stylish and versatile finish.Ideal for rooms with limited area.

Delivery instructions can be better. Sat. London. Wed Mar 05 2025

If you're looking for a place where you can truly relax and leave everyday stress behind, the BALOO corner sofa was created for that purpose. The BALOO corner sofa is more than just a piece of furniture — it is a tribute to rest and personal comfort. It is a space where you can slow down, disconnect from daily routines, and simply enjoy the moment, surrounded by softness and tranquility.

The Ava range features clean, contemporary lines with square-shaped arms and cushions, offering a modern yet comfortable design. Its minimalist style makes it a versatile addition to any living space.

A modern corner sofa with a sleeping function and storage compartment is the perfect combination of style, comfort, and functionality, designed for discerning users who value both aesthetics and practicality. Made from high-quality Quelle and Centaur fabrics, the sofa features a contemporary look, a soft-to-the-touch surface, and increased durability for everyday use. The deeply quilted seat gives the sofa a distinctive character while ensuring high comfort, blending seamlessly with both modern and classic interiors. The seat interior is filled with flexible T30 foam, providing proper support and comfort even during extended relaxation. Additional reinforcement with wave springs enhances the sofa's durability, improves weight distribution, and prevents deformation, ensuring it maintains its shape for many years. The manually pull-out sleeping function allows the sofa to quickly and easily transform into a bed, ideal for guests or daily use. The storage compartment hidden under the seat offers ample space for bedding, helping to keep the living room organized.

Easy to put together no screw needed just slots together. Dionne. Sun Aug 16 2026

The SOPRANO corner sofa impresses with its soft upholstery made of pleasant-to-touch corduroy, which adds elegance and modern style to any interior. Its solid construction and comfortable seat filling guarantee comfort both during everyday relaxation and long evenings with loved ones. It fits perfectly into any interior design – from modern lofts to cosy, classic living rooms.

If you're looking for a place where you can truly relax and leave everyday stress behind, the BALOO corner sofa was created for that purpose. The BALOO corner sofa is more than just a piece of furniture — it is a tribute to rest and personal comfort. It is a space where you can slow down, disconnect from daily routines, and simply enjoy the moment, surrounded by softness and tranquility.

The Ferano Tassie is the epitome of modern minimalism, bringing a touch of luxury to your living room. Its simple, geometric form is enhanced by striking, deep tufting on the seat, giving it a unique and sophisticated character. Crafted with meticulous attention to detail, it offers exceptional softness and spaciousness, making it the perfect spot for everyday relaxation and social gatherings.

The BENI Corner Sofa Bed is the perfect combination of functionality, comfort, and easy assembly, meeting the expectations of even the most demanding users. Its versatile design allows it to fit seamlessly into both modern and classic interiors. Its L-shaped layout makes the sofa highly adaptable to your needs. Simply reposition the ottoman to change the corner orientation. This flexibility ensures the sofa can suit any room layout. Additionally, full upholstery on all sides allows the sofa to be placed freely in the room, not just against a wall.

Upholstered in a contemporary grey woven fabric, this versatile design offers a reversible corner setup and a spacious chaise storage compartment. It transforms effortlessly into a roomy guest bed, making it an ideal choice for modern homes where smart use of space matters.

This modern 4-seater sofa combines elegant design with everyday practicality. It features a convenient pull-out bed function and integrated under-seat storage, making it ideal for compact living areas. Upholstered in high-quality, durable fabric, it provides a sophisticated look that lasts for years.

This fold-out corner sofa with a bed box is the perfect combination of functionality and comfort in one piece of furniture. It was designed to fit perfectly into living spaces and make the most of the available space. It was made with great attention to detail and impresses with its design and comfort.

Das Sofa kam viel schneller als angekündigt, Lieferung lief reibungslos. Die Aufbau-Anleitung auf dem Karton war nicht ganz eindeutig, aber der Aufbau war sehr unkompliziert. Die Farbe und der Cord-Stoff sind so, wie ich sie mir vorgestellt habe.. Anonymous. Thu May 02 2024

Do you dream of a living room where everyone feels comfortable and at ease? The PARIS corner sofa is the perfect solution, combining modern design with exceptional comfort, making it the centerpiece of your interior. Despite its simplicity, the PARIS sofa catches the eye with its carefully crafted design and exceptional aesthetics. Its unique appearance, highlighted by smooth lines and a clean form, adds elegance and character, making it a perfect fit for minimalist interiors. Moreover, the sofa is upholstered in high-quality, thick corduroy, which is not only pleasant to the touch but also provides incredible comfort, wrapping the body and inviting relaxation.

The VESPO XL corner sofa is the perfect blend of modern design and comfort, making it a great fit for contemporary interiors. Its sleeping function and bedding storage provide comfortable rest and practical storage. The solid wood and furniture board construction, along with the T30 foam seat and wave springs, guarantee durability and comfort. The furniture is free-standing, and decorative cushions with zips make it easy to keep clean and match the interior design.

If you're looking for a place where you can truly relax and leave everyday stress behind, the BALOO corner sofa was created for that purpose. The BALOO corner sofa is more than just a piece of furniture — it is a tribute to rest and personal comfort. It is a space where you can slow down, disconnect from daily routines, and simply enjoy the moment, surrounded by softness and tranquility.

The BENI corner sofa with a sleep function is the perfect combination of functionality, comfort, and easy assembly, meeting the expectations of even the most demanding users. Its versatile design makes it a great fit for both modern and classic interiors. Its L-shaped base makes this a highly adaptable corner sofa that can be easily customized to your needs. Simply move the ottoman to change the side of the sofa. This allows the sofa to suit any room layout. Additionally, the upholstery on all sides makes it ideal for placement anywhere in a room, not just against a wall.

Experience the perfect harmony of form and function with this stylish sleeper corner sofa. Ideal for compact apartments and spacious living rooms alike, it features a generous seating area, an intuitive pull-out guest bed, and a large built-in container for bedding. Crafted with high-quality materials and attention to detail, this sofa ensures long-lasting durability and a chic, timeless look for your home.

The Milan Collection by Snugg exudes refi ned comfort, combining high-strength fabric with solid, expertly crafted frames for enduring quality. The elegantly curved, ergonomic design off ers both visual sophistication and exceptional support. Whether placed in a sleek modern setting or a classically styled home, Milan brings timeless elegance.

A practical and spacious three-seater corner sofa bed, this piece features generous under-chaise storage and a comfortable pocket-sprung and foam-filled seat. Upholstered in a stunning grey textured weave fabric with button-back detailing and contemporary low black legs, it pairs style with function. The design easily transforms into a comfortable sleeping area, making it an ideal choice for versatile modern living.

The BENI corner sofa with a sleep function is the perfect combination of functionality, comfort, and easy assembly, meeting the expectations of even the most demanding users. Its versatile design makes it a great fit for both modern and classic interiors. Its L-shaped base makes this a highly adaptable corner sofa that can be easily customized to your needs. Simply move the ottoman to change the side of the sofa. This allows the sofa to suit any room layout. Additionally, the upholstery on all sides makes it ideal for placement anywhere in a room, not just against a wall.

This high -quality sofa impresses with its attractive design and a very modern color scheme.