These Shoe Covers Are Designed with Elastic Bands, Which Are Flexible and Suitable for Most Shoe Sizes; The Soles Are Made Of Non-Slip Materials To Reduce The Possibility Of Slipping. .Made Of Waterproof Oxford Cloth Fabric, Dustproof, Mudproof, Waterproof, Durable and Long Service Life. .The Rubber Bumps On The Sole Of The Boot Cover Increase Friction and Have Strong Grip; Even If You Step On The Wet or Muddy Floor, The Elastic Overshoes Can Keep You Away from The Embarrassment Of Falling On The Street In Public. The Waterproof Shoe Cover Can Be Machine Washed, or Hand-Washed with A Damp Cloth After Each Wearing and Dried In The Air; The Rain Shoe Cover Can Be Reused Many Times After Air-Drying. .Suitable for Private Gardens, Laboratories, Hospitals, Clinics, Real Estate Companies, Construction Companies, Homes, Etc.