?Firm & Secure? Made of 7mm ultrastrong PU wire and precise stainless steel swivel, the leash can resist water corrosion free from deformation or entanglements after extended uses. With marine-grade stainless steel for the joints, it can be used for the longest and heaviest board to help you enjoy water sports at will. ?Comfy & Handy? Made of comfortable and flexible high-density neoprene, the leash is adjustable according to your ankle. Besides, it can prevent blisters or bruises arising from sliding. ?Applications? It’s applicable to ankles of all sizes as well as various SUP, surfboards, and long boards. ?Customer Service? We are dedicated to providing the best devices for all lovers of water sports, and we care about your user experience. Please feel free to contact us if you have any questions.