The OnDisplay Stackable Folding Storage Crates are the perfect space saver that is ready to store anything from books to cosmetics to linens or whatever else you need to store in your closet, shelves, desktop, cupboard, cabinets, or bathroom. Constructed of durable polypropylene, each crate can assemble and disassemble in seconds. The outer walls are hinged to the base so no loose parts. Just snap the walls together and you are ready to start storing your goods. This folding crate is completely made from recycled material. Each crate is stackable and handy for storing books, pantry items, bath supplies, desk supplies, groceries, linens, hobby materials, and much more. Once folded, the crate is a mere 1.4" high for the large size and 1" thick for the medium size. Each crate of the same size can stack vertically. offered in a variety of colors and sizes to match your decor. Large size measures 15.75" x 11.8" x 5.9". Folds to only 1.4" thick. Medium size measures 11.8" x 7.9" x 4.5". Folds to 1" thick. Also available from OnDisplay is the 148pc letter sets which snap onto the side of each crate to customize them. Letters are sold separately.