Storm Clear Silicone Replacement Mask Strap - Durable, Adjustable, Comfortable for Daily Use, Workouts, and Outdoor Activities

I use my snorkel mask in a swim spa as well as in the ocean. I put my thumbnail through the old strap when trying to loosen it. This saved me from needing to buy a new mask. It was somewhat difficult to get it to fit through the side connector on a Dacor Vista II, but using a paper clip, I got it to go through. Works just like the original.