Breakout with the new World Industries towable water tube. 57'' diameter. Designed for 1 adult or 2 children. Flameboy breaking through a concrete wall shows that this towable ski tube is ready for action. Rugged PVC bladder is completely covered with a double-stitched nylon cover. Thin profile makes it easy to climb onto from the water. 4 deluxe handles w/neoprene knuckle guards. Equipped with a Boston valve for quick inflating & deflating.