Description:Made from nylon material that is strong and durable to use.Double hole cord lock is used to lock the lace or paracord for convenient use.Can be used to replace lost or missing barrel locks.Works with almost all shoes and laces.No more bows or knots, locks your laces in place. Widely used for shoelaces, lanyard, luggage, shoe bags, sportswear and more.Specification:Material: nylonSize: approx. 2.9 x 2.1cm/1.14 x 1.8inchPackage Includes:4 Pieces Shoe Lace Lock ( Not Including Shoes Lance)Note:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!