We double dog dare you to climb on, hang on and have some serious fun! DOUBLE DOG is built to last; the 30-gauge PVC bladder is completely covered in double-stitched 840-denier nylon, with no exposed vinyl. It has 2 deluxe handles with neoprene knuckle guards and seat pads. The Boston valve is easily accessible, for quick inflating and deflating. ---------- Airhead and Sportsstuff inflatables and accessories are made of the highest quality materials in the industry. We pride ourselves in building our products with 840 denier nylon covers and 30 gauge PVC bladders, a standard few others can stand behind. If theres a tube shape that can be ridden while towed behind a boat, we make it. If theres a water toy boating enthusiasts are craving, look no further.