Premium Quality Material: Our Shoe Covers Are Made Of New Upgraded Chlorinated Polyethylene (Cpe) Materials. Thicker and Stronger. with Waterproof. Oil-Proof. Anti-Static. Non-Slip. Tear Resistant.Unique Design: The Unique Surface Anti-Skid Particle Design Helps To Increase Friction. and The Anti-Slip Effect Is Better.Value Pack & Perfect Size: This Set Come with 50 Pieces25 Pairscpe Shoe Covers. and The Shoe Covers Can Stretchable Size Up To 15.75"(L)X 5.91"(W). One Size Fit Most Shoes.Perfect for Any Places: Our Multi-Purpose Shoe Covers Suitable for A Variety Of Indoor and Outdoor Places. Such As Dust-Free Workshop. Laboratory. Exhibition Hall. Model Houses. Computer Room. Hospital. Museum. Home. Garden. Etc.