ABS.Large Size Fit More Size Shoes: Fit max size 9 shoes for men,and max size 10 shoes for women.Stackable Design: Slot lock design makes it easy to stack the shoe boxes together. You only need to Insert-and-push to finish the stacking. This design makes the shoe storage.Sturdy and Ventilation Design: The two lids of the shoe organizer are made of ABS plastic material, which is very stable after assembly. The rear ventilation holes make air circulation and odor prevention.Shoe Organizer Solutions: More dustproof than shoe racks, ventilated and breathable than shoe cabinets.Multifunctional Storage: Super storage function, create a home for your favorite things, you can store cosmetics, tools, chess cards, hats, etc., and place them in closet, entryway or hallway, etc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.