Soles Non-Slipthe Soles Are Made Of Non-Slip Material To Reduce The Probability Of Slipping and The Thickened Soles To Reduce The Noise; The Cover Is Made Of Mesh Material Which Is Comfortable and Water-Resistant Washable & Reusablereusable. Can Be Used for Hundreds Of Times; Washable. Suitable for Both Hand Wash and Machine Wash Sizethese Shoe Covers Contain An Elastic Band for Flexibility To Fit Most Shoe Sizes. 3 Size for Selection (Please Refer To The Size Chart To Choose Your Own Suitable Size) Wide Range Of Useideally Applies To Household. Office. Machine Room Realtors and More. Efficiently Keeps The Floor Clean and Neat Package Listpackage Included 5 Pairs Of Black Shoe Covers