1. silicone shoe cover material : Our waterproof shoe cover is made of high quality non-toxic silicone rubber with , durability and environmental friendliness. The tight tread mechanism design of the sole provides better slip resistance than other shoe covers on the market. 2.Anti-Slipping Design and Reusable Silicone Shoe Covers: Stretchable silicone And very resistant to tearing, zipper strip design helps you to put them on and off easily,it can avoid rain or water into the shoe cover from zipper,extending the lifetime of your footwear. shoe cover no need to take hundreds of shoe & boot covers, simple to wear silicone waterproof cover just spend one minute. 3.Silicone Shoe Covers with Zipper : upgraded design with adjustable zipper, you can adjust the tightness by yourself. Easily put into your bag or suitcase for carrying, stretchy material fits all people shoes, works. And silicone rubber shoe protectors after use, easily washing it with running water to keep clean for next use. 4.Multi-scenario outdoor use: Silicone shoe covers fits for occasions of mud-spattered, rain, wetland, garden. Perfectly suitable for people having to go out in rainy days and outdoor activities such as go to the beach, camping, hiking, fishing, traveling, cycling, shooting and hiking etc. silicone boot keep your shoes dry and clean all day.