Prosea SL02R Soft and Elastic Material Surfboard Leashes with Double Stainless Steel Swivels Coiled Surfing Leashes Diameter &Phi; 7mm and 7ft long 1)Engineered POLYURETHANE cord powerful, soft and elastic cord 2)SAFE-COILED make the leash shorten when natural outspread it will not snag and make you fall off! The Coiling of the leash stops any leash dragging in the water completely (so you don't snag submerged objects). Even though the leash easily sits on your board and out of the water, it easily extends to 7 feet when required 3)Smooth rotating nylon cuff and rail saver swivel assembly 4)Machine double stainless steel swivels 5)MULTIPURPOSE-Useful for surfboard and long board