AIRHEAD SWITCH BACK 4 Rider Made using the highest quality materials Tested for durability Great fun for all ages 4 Rider Towable, 2 sit in Front, 2 Kneel in Back, Chariot Style Riding in Front or Back, it's like 2 Tubes in 1 2 Heavy Gauge PVC Bladders and a Rugged Double Stitched Nylon Cover Kwik Connect and 2 Speed Safety Valves Size: 4 rider, 88 x 70 Inch (deflated)