Our Unigear surf leash strong enough to handle the longest and heaviest of boards, but since it is designed for flatwater paddling it is lightweight and flexible. Its ankle cuff won't have you feeling like you broke out of prison. It will not snap and keeps you attached to your board no matter how many times you wipe out. The coiled leash and leash connection happily absorb wave impact, eliminates leash drag totally (so no risk of snagging submerged objects) and keeps your leash up on the back of your board and out of the water. <br> <b>Specification:</b><br> Size: Max length: 10 inch<br> Diameter: 7mm<br> Material: TPU elastic polyureth ane <br> Hardness (Shore): 90±2<br> Gravity (g/cm3):1.20<br> Resilience(％):40<br> Ultimate Elongation(％):>450<br> Tear Strength (N/mm):>80<br><br> <b>Package Included: </b><br> 1 x SUP Leash<br> 1 x Waterproof Phone Wallet