This is the Bare Silicone Wrist Seal for Drysuit Diving Features; The elasticity makes donning the suit much easier and it seals with your skin more effectively. Since the pressure is lower on the wrists your hands will stay warmer. Wrist seal Pair Silicone Wrist Seals are constructed from hypoallergenic silicone that have 40% better stretch and offer enhanced comfort compared to latex seals. Divers with latex allergies can dive carefree, knowing that the seals are non-allergenic. The seals are durable and resistant to degradation by UV light, ozone or chemicals.