The Expandable shoe rack can be adjusted according to different spaces and needs.When retracted: each tier can hold three pairs of shoes; after unfolding: each tier can hold six pairs of shoes;for stacking use, the storage capacity will increase as more shelves are stacked. It has excellent load resistance and durability, and is not easy to deform. Metal frame with 4 durable foot covers makes the shoe rack stable and durable for long-term storage. Females and singles can easily assemble as they are secured using only nesting screws. A space saver for small space like dorm, apartment, closet, etc.What you would buy is not only a piece of goods but a solution to make your life more comfort and happier.