Cpe Plastic .Materialmade Of High Quality Cpe Material,Waterproof, Non-Slip.Elastic Opening Of This Shoe Covers Give A Secure Fit On The Ancle .Waterproof & Non-Slip: Waterproof Design Helps To Protect Your Shoes from Liquid and Dust. The Surface Of The Shoe Cover Has Anti-Slip Particlesincreased The Frictionshoe Between The Surface Of The Shoe Cover and The Floor , To Prevent Slipping. .Application: Multi-Purpose Shoe Coverings Are Suitable for Shoes, Boots, Booties, Athletic Shoes or Sneakers In Various Indoor and Outdoor Places Such As Family, Hospital, Garden, Museum, Workplace, Indoor Carpet Floor, Cars, Etc. .Specification: Packaged In A Bulk Pack Of 100 Blue Shoe Covers.Shoe Covers Are Very Flexible and Soft, One Size Fits Most, Stretchable Size About 40Cm(15.7 Inch) In Length X 17Cm(6.7 Inch) In Width Fits Up To Size 11 Us Men and 13 Us Women