The Original CleanBoot covers seamlessly slip over any size boot to provide protection of floors against soil and debris caused by dirty shoesMade from high-quality neopreneComes with convenient heel loop for effortless boot/shoe insertion and quick removalStrong grip that you can count on (ideal for hardwood tile and carpet)Slip-resistant sole for additional safety and protectionGlued seams with an overlock stitch that will lastWater-resistant Easy to Maintain Eco-Friendly and Highly-DurableSmoothly slips over your existing bootsExtra grippy sole provide better traction; lightweight and handySize Chart (compared to UK work boot size): Small: Sizes 5-7; Medium: Sizes 7-9; Large: Sizes 9-11; Extra Large: Sizes 11-14 plus.Machine washable and eco-friendly