Shoe covers are reusable. They can be washed, so one pair can be used many times. They are made of polyester waterproof from the outside and from the inside. The sole on the outside is made of a special non-slip material, on the inside of codura for greater durability. Rubber studs on the sole ensure good adhesion to the ground. Thanks to the elastic, they can be easily put on and taken off the shoes. A special bag is included in the set. The bag is made of a waterproof material that will easily fit rolled protectors after removing them from the shoes. Shoe overlays are widely used, including for children in schools, offices, wherever cleanliness of floors is required. Changing shoes often involves carrying an extra pack (variable shoes), which is cumbersome, we have extra kilos to carry around. Having such protectors, it is enough to put them on shoes and, without dirtying the floor, we can go to our cabinet, office and change shoes to variable shoes (if required). Simple, easy to use and above all light. Dimensions: width 18cm length 33cm side height 7.5cm weight 134g The protectors stretch slightly, they fit up to size 45. Minimum size according to the length given in the description. Custom-made product.