These restraints are made of heavy-duty latigo leather, lined with fleece for comfort and comes with a locking roller buckle, which can be used with or without a lock. Panic snaps are provided as well for safer use and functionality. Available in black, burgundy, black w/burgundy accent, burgundy w/black accent, plus many more. Sizes: Small = 5" - 8" Med. = 7" - 10"