Leg rope is an important accessory for the surfboard or paddleboard. It helps the surfer find the surfboard as soon as possible after falling off the surfboard, which is also one of the important life-saving equipment for the surfboard. Our surfboard leash is integrated as shown in the figure of ‘The structure of Surfboard Leash'. The surfboard leaches are Safety, Comfortable, Strong, and Durable. Specifically, the leash has two anti-corrosive steel swivels, keeping the leash spinning smoothly to avoid tangling. It has double wrap-around cuff for wearing, secures ankle to prevent friction and blistering. The leash can be expanded from 2 to 10 feet in length with a 7mm TPU rope for high strength and durability.