Shoe Slotz space-saving storage units double your storage space by neatly stacking shoes one on top of the other. Easy to use, Shoe Slotz also organizes shoes, making it easy to find the pair you want. Perfect for all types of shoes from stiletto heels to size 14 sneakers. Shoe Slotz are great for organizing women's , men's and kid's shoes. Perfect for anyone who needs more space. Shoe Slotz works on closet shelves, shoe racks, in cabinets and on the floor. Durable poly resin.