Non-Woven,One Size Fits Most .Material:The Shoe Covers Is Selection Of High-Quality Non-Woven Fabric.Which Is Thick ,Wear-Resistant,No Odor,Non-Slip and Anti-Static. .One Size Fits Most-Up To Us Mens 11 & Womens 12. The Shoe Cover Use High-Quality Elastic Rubber Bands To Prevent Loose and Ensure The Boot Covers Can Be Reusable After Long-Term Storage. .Breathable & Dust-Proof: The Non-Woven Fabric Is Breathable and Will Not Be Stuffy. Shoe Covers Disposable Non Slip Will Be Great for Home Owners,Realtors,Real Estate Agents, Day Cares, Plumbers, Electricians, Museum Curators, Doctors, Nurses and Contractors with Big Work Boots .Slip Resistant and Eco-Friendly: The Surface Of The Disposable Shoe Covers Use Anti-Slip Particles Design, Which Will Increase The Friction with The Ground and Help Keep The Covers Steady On Your Feet As You Move.The Booties for Shoes Covers Also Make Sure Your Home, Floor, Shoes, Car Are Protected.