Elastic cord, not easy to fall off the feet, one size fits all (adults and children), can be used barefoot or as a shoe cover. Material: Chenille fiber/microfiber, super soft, washable, reusable, strong water absorption. Easily cleans dust, grime and pet hair. Easy to use and washable: just put them on your shoes and keep walking, no need to bend over or slouch. kneel, it will absorb all the dust and hair. These slippers can be machine or hand washed. MULTI-FUNCTIONAL: You can add it to the mop head at home with or without shoes; the mop cover can be used to clean the floor of the house, wash the car, clean the office, clean the window while adding it to the mop head. There are many ways to use it.