100% Silicone Waterproof Not-Slip washable rain cshoe covers is made of 100% high quality non-toxic silicone. Not-Slip Rain galoshes for men and women with a friction-increasing groove upgrade design of the sole. Easier to Wear Shoe covers reusable with waterproof zipper design make it easier to wear or put off. Widely Applications Waterproof shoe covers for rain and sonw protects your shoes from rain, snow, water,or dirt . NOTE Don t use these boot covers when you enter indoor glazed,ice, glass, smooth floor, tiles, wood, etc, Besides, Elderly, Pregnant woman, people inconvenient to walk, not recommended. Please take off your waterproof silicone shoe covers before going shopping and entering the office building.