One size universal fits most shoes.With elastic flat strap, can be stretched over heel to secure to shoe.Great replacement gear accessories for bowling sports.1 Pair bowling shoe slider to increase sliding ability, lightweight, washable, long lasting, reusable, durable and portable.These bowling shoe covers can be served in many places, such as gym, bowling games, bowling alley and so on. They are also suitable for house cleaning, workshops, offices and many other places.colour: blackMaterial: cotton clothPackage Contents:2 x Bowling Shoe CoversOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.