Strong Universel Genuine Leather StrapThe strap is made from first layer cowhide with a plain grain surface and a microfiber underside that is waterproof and sweatproof. It is designed for comfort and is safe for sensitive skin, featuring adjustable holes for the perfect fit. This replacement strap is compatible with various smart watches and traditional watches that have a standard 20mm lug width. Product Description Upgrade your smartwatch with this stylish and comfortable replacement