This single chamber tube is made of 100% heavy-duty PVC and is put over the rider like a shirt, instead of being directly attached to the boat. Take it to the beach for the ultimate body surfing experience, or grab two SUMOS and have a SUMO wrestling match with a friend! The SUMO SPLASH GUARD (included) is an inflatable armrest/handle with a sleek splash-deflecting design that will keep the spray out of your face. Featuring 6 double webbing foam handles and EVA foam knuckle guards on a heavy-duty full nylon cover. Simply connect a standard tow rope to the SUMO SPLASH GUARD and you can steer the SUMO TUBE back and forth, jump the wake, and roll 360s! Unique One-Of-A-Kind Design Multi-functional: Towable Action or Sumo Body Surfing Speed Safety Valve Simple One Chamber Design Wide-Open Neck and Arm Holes Sumo Splash Guard Features: Sleek inflatable armrest / handle with Splash-Deflecting Design Heavy-Duty Double-Stitched Full Nylon Cover with Zipper Double Webbing Foam Handles with Knuckle Guards Simple One Chamber Design