Are you ready for a stormy ride? This tube has the thunder hidden inside. The inners are made of heavy duty 24G PVC, which makes this tube strong & light for a lively feeling on the waves. Likewise, the outside is made of double-stitched 420D to ensure durability and quality. Connect and disconnect the rope in a flash of a thunder strike with its quick rope connector. Jobe's Thunder towable has a drain to guarantee good water release after a stormy ride. No more calm before the storm... 420 denier nylon cover 24 gauge PVC Max 1 person towable One way Boston valve Quick rope connector 4 Handles with neoprene knuckle guards Safety chamber double-stitched nylon Deflated size : 53.5" x 55.5", 136 x 141CM