Stackable Storage Organizers are a convenient way to hold shoes, hobbies, media and office supplies. Use in or out of the closet to store t-shirts, shoes and accessories like scarves, sweaters and denim. Designed to work perfectly with other Stackable Storage Organizers. Inside dimensions of 1-cube: 11.6 in. D x 5.75 in. H x 4.5 in. W. Easy to assemble. Do not stack units more than 72″ high.