Kwik-Tek AHM2-2 Mach 2 Made using the highest quality materials Tested for durability Great fun for all ages. Max Capacity-2 Riders Cockpit Tube offers secure ride for Young Riders with a wild side making Teens and Adults happy too Inflated Floors provide a Comfortable Seat; Four Deluxe Handles with Neoprene Knuckle Guards Heavy Gauge PVC Bladder and Durable Double Stitched Nylon Cover Patented Speed Safety Valve Cockpit Tube offers secure ride for Young Riders with a wild side making Teens and Adults happy too Inflated Floors provide a Comfortable Seat; Four Deluxe Handles with Neoprene Knuckle Guards Heavy Gauge PVC Bladder and Durable Double Stitched Nylon Cover Patented Speed Safety Valve Deflated dimensions are 69-Inch x 69-Inch. Fits people from child to adult. Larger people have to bend their knees and hold on, but they should fit securely in the Mach 2. Using water towables comes with the risk of the rider going into the water.