The White Knuckle The Skimmer 70 is an inflatable tube perfect for up to 2 riders. It comes with 6 padded handles for a comfortable grip, and also has knuckle guards for added safety. The EVA pads provide comfort and grip while the 70” diameter provides ample space. The cover is made of 840D nylon for durability and the bladder is made of 28 gauge PVC for durability. This tube is perfect for a day on the water with family and friends.