Reduces hair tangling and makes it easier to slide your mask on and off | Neoprene cover slips over your existing mask strap | To install, simply slide one end of your silicone mask strap out of its buckle, slip it through the strap wrapper, and re-thread the end of the silicone mask strap back through its buckle | This low-profile neoprene cover slips over your existing mask strap, making it easier to slide your mask on and reducing hair tangling