Rubber Sole .High Tube Design:High Tube Design,The Closure Part Of The Shoe Cover Has Elastic Band To Tight Grip Of Your Legs So Your Trouser Hems Would Be Protected from Dirt. The Shoe Covers Are Non-Skid and Non-Slip, Designed To Help You Not Slip On Floors. .Strong Practicability: Suitable for Home, Travel, Parties, Cars, Gardens, But Also for Entering Clean Rooms, Laboratories, Etc. Easier Than Taking Off Your Shoes. .Disposable Shoe Covers: Made from Pe Material, The Blue Shoe Covers Are Thick and Light and Fold Up Very Small for Easy Carrying. Keep One In Your Rucksack, Not Only Does It Take Up No Space But You Can Also Cope with Sudden Bad Weather