The shoe organizer is made from ecofriendly, high quality ABS plastic that’s sturdy and more durable. Firmer grip for your shoe sole. Flatter base for better stability. Long lasting shoe storage solution. With just water and soap, you have yourself a clean Shoe Stacker. Store any type of shoes, from flip flops, sneakers or heels. Simply stretch the angle and make enough space for larger shoes. Easily find your shoes and store more with our shoe organizer. These shoe holder closet organizers are perfect for small storage spaces, studio apartments, and for organizing shoe shelves or shoe racks for entryways.