Anti-slip Design: The bottom of shoes protector comes with dense non-slip particles, increases friction against the floor, whether you are indoors or outdoors, it effectively reduces the possibility of slipping, stronger grip and reduces noise, avoid disturbing others due to noise from walking.Anti-static Material: This reusable shoe cover is made of high-quality anti-static striped fabric, which can effectively isolate the static electricity generated by the human body and has good anti-static performance.Outer Material: PolyesterInner Material: PolyesterSole: PolyesterReusable & Washable : Our foot covers supports machine washing or hand washing, compare with the normal disposable shoe cover, more practicalmore environmentally friendly dry naturally after each washing.Fit Most Shoe Sizes: These shoe covers are all one size,anyone with the shoe size between 3.5-9.5 (UK size) range can wear it, men and women, young and old, all are suitable. What's more, each pair of shoes has an elastic elastic band that can stretch freely and not easily fall off.Widely Applications: This dust proof overshoes is suitable to use in laboratory, office, museum , home, dental clinic, hospitalworkshop, camping, car, garden, etc., it can not only protect your indoor clean Hygienic and also prevents your shoes from getting dirty.