The materials is make of leather, which is nonslip, wear-resistant, waterproof and breathable. It can quickly and effectively repair wear holes on inside and side of running shoes, reducing the frictions between the heel and the foot. Make for running shoes and sneakers for hole prevention and repair patches to prevents holes in the toe area. Adhesive, easy to use, the Patches is firm enough to handle the intenses pressure and sweat of any Sneakers. Tear down the backing paper of the Patches, aligns the repair Patches to the damaged position, press it with your finger, and that is it. Can be cut to fit smaller sized shoes.