Super strong 7mm thick urethane cord with double marine-grade stainless steel swivels to prevent tangling. its super comfortable high-density neoprene padded 2.5″ ankle cuff is irritation-free fit against your skin, great for long time in the water. Extra strong rip and grip Velcro of this safety ankle leash is adjustable for different ankle size, ensure leash cuff won’t slide around on your ankle, preventing blistering and chafing. The coiled leash can stretch to a maximum length of 10ft. The sup leash features durable stainless-steel swivels for easy release and prevent tangling, and a triple wrap rail saver to stick around during the tough times on the water. Bonus, an easy pull tab and a hidden key pocket for convenient using. Surfstar inflatable stand up paddle sup leash allows you connect to all kinds of SUP board safely.