Cpe .Material The Shoe Covers Is Made Of 100% New Cpe Material,This Material Has Brighter Color,Higher Cost and Better Quality Than Ordinary Materials (Recycled Materials) On The Market.100Pcs(50 Pairs) .One Size Fits Most Covers Contain An Thickening Elastic Band for Flexibility, Fits Most Shoes/Boots,Is Firm and Not Easy To Tear and Rupture,Stretchable Size About 15.7 Inches In Length and 5.9 Inches Wide. .Waterproof & Dust-Proof Waterproof Design Helps To Protect Your Shoes from Liquid and Dust,While Also Preventing Dirty or Wet Shoes from Staining The Floor. .Slip Resistant The Surface Of The Shoe Cover Has Anti-Slip Particles,Increased Shoe Cover Surface and Floor Friction, To Prevent Slip Played A Certain Help.