Designed for maximum fun, the Double Trouble tow-able 2 person is built for two for an unbeatable tubing experience. It's made from sturdy 840D nylon and 24 gauge PVC with double stitched seams for extra durability, and features an easy one-way Boston valve and quick connector for easy towing. With four handles and neoprene knuckle guards, your double trouble adventure will be safe and comfortable. 3 year warranty included.