Includes one fitted sheet. Standard UK sizing Fitted sheets suitable for mattresses up to 36 cm deep These products are 100% European linen and completely natural. European linen is considered one of the most luxurious fabrics in the world. Made from flax plant fibre, it is sustainable with natural properties that set it apart from other bed linens. Unlike other bed linen fabrics, the soft luxurious feel of European linen actually improves with use. With buttons made from sustainable coconut shell and only AZO-free dyes used, The Natural Luxury Textiles Co. ensure you get the most natural and luxurious sleep nature has to offer.