Waterproof New Pair of Tusa Integrated Quick Change Silicone Wrist Seals for the D1 Hybrid, D7 Pro ISS & D10 Pro Drysuits - Blue/FBM Hypoallergenic medical grade silicone - no latex allergy 40% more stretch than latex seals Extreme durability  UV, Ozone and Chemical resistance Superior Tear Resistance Ease of Donning/Doffing  no talc or powder necessary