Waterproof Material Both Upper and Sole Are Made Of By High Density Waterproof Durable Dustproof Fabric. Washable and Reusable for Floor& Carpet Protection. Washable & Reusablethey Are Washable By Both Machine and Hand. You Can Use It for Many Times. Furthermore This Fabric Is Easy To Clean. Non-Slip Sole & Noise Reductionthe Thickened Sole Is Coated with Rubberized Bumps So The Covers Become Non-Slip. It Provides Superior Grip and Comfort. The Floors and Carpets Are Well Protected At The Same Time. The Boots Cover Also Reduces The Noise Of Foot Stepping. Wide Applicationgreat Choice for Contractors. House Cleaner. Mowing and Other Service Providers To Use In The Show Houses. Garage. Dust-Free Workshops. Offices. Museums. Labs and Etc. You May Also Use Them To Wrap Your Shoes To Put In The Luggage for Travel. Size and Packagesuitable for Shoe Size Approx. 30 Cm/ 11.8 Inch In Length. 11.9Cm/4.7 Inch Which Fits Up To Us Men'S 10. Womens 9.5. for Thicker Boots Please Choose One Size Bigger Than Your Boots Size