SPACE SAVING FOR LIMITED SPACES : Footprint is only 1.47 sq. ft (43.5W x 31.5D cm) of bookcase, yet offers you 5 tiers (142H cm) of vertical storage space, perfect for tight corners or limited areas. Used alone or paired for more decorating optionSTABLE AND DURABLE : Constructed with solid bamboo, waterproof and scratch resistant, and each rack can hold up to 33 pounds. Each level of shelves features a side crossbar for added stability, and perfectly spaced bars to prevent books from falling into the gapsEFFORTLESS ASSEMBLY : With a simple construction, included all screws, tools, labeled parts, and step-by-step illustrations in the manual, assembling the ladder shelf then is a breeze. 30 minutes will get it done, so enjoy the fun of assembling