The Ocean Pro Fin Strap is made from a top quality durable rubber that fits majority of open heel scuba diving fins. It is a universal design and will fit majority of fins and clips. Having a spare fin strap is a must in your spare parts kit as if your fins strap breaks, then your dive is over. A quick change over to the new one and off you can go again. Being so affordable, you might as well keep 2 in your kit. You never know when a dive buddy could use one too. The Ocean Pro Fin straps are known for their quality as they are a little thicker than most.