high-strength TPUmaterial and . Equipped with anti slip design providing better grips and increased during use. leash has shapes of spirals rings, good elasticity, flexible expansion and contraction, the length can be adjusted according to your activities. end of board ankle leash is a thick and soft ankle loop, which can improve the comfort of your ankles. Adjustable hook and loop makes it fit all sizes of ankles. leash is small in size and easy to carry, you can put it in your bag or hold it directly in your hand, it doesn't take up much space. Suitable for various surfboard and paddleboards, for surfing and paddleboard sports in beaches, lakes, river and other water bodies.