Strong, Durable, User-Friendly
This twin tank bladder allows your tanks to sit perfectly inside which sits very close to you. Built to last, this Donut Bladder is made from a super strong and extremely durable 1200D bulletproof ballistic nylon with a 600D polyester exterior. The inner air cell is black polyurethane and features a heavy duty zip for easy access. The Mares XR Twin Donut Bladder is great for tech divers looking for a low profile and light weight bladder that attaches to a back plate and harness for travel.