Material - Made of PP, which is lightweight, waterproof, easy to clean and has long-lasting durability.Space Saving - Adopts double-deck design, takes advantage of vertical space to save space and keeps your shoe closet and home tidy.Non-Slip Design- With an arc heightening design and baffle, which can prevent the shoes from sliding when adjusted to a higher level.Easy to Install- Just according to the grooves to insert. There are 3 grooves for you to choose the top deck height to ensure not squeeze shoes. Besides, you can press and pull the buckle out for removal.Wide Application - With 3 adjustable height levels for you to choose from, is suitable for most shoes, such as sports shoes, slippers, flat shoes, sandals, high heels, etc.