Dakine Longboard Ankle Leash 10" x 1/4" 0-8 ft Wave Size | Streamlined day-to-day design for surf up to a few feet overhead 1/4 in. (6.5 mm) highest quality urethane Dura-Cord for maximum strength 2 in. (50 mm) molded neoprene calf cuff with waterproof Hypalon webbing for lightweight and ultradurable comfort 1.5 in. (40 mm) detachable railsaver with waterproof Hypalon webbing Opti-Flex leash ends for maximum durability and strength Easy Clip compatible for maximum safety Posi-Lock hook and loop closure Marine grade stainless steel swivels Polyester leash string Materials CUFF: 30% NEOPRENE, 30% POLYESTER, 40% POLYPROPYLENE RAILSAVER: 50% POLYESTER, 50% POLYPROPYLENE LEASH CORD: 100% THERMOPLASTIC POLYURETHANE Dimensions 10ft x 1/4in [ 3m x 6.5mm ]