Its aggressive design lets you turn and burn as you race through the water chasing the wake and striking at big waves. Tough, seam-welded PVC bladder with a double-stitched, 840-denier nylon cover for abrasion- and puncture-resistant performance. Four nylon-wrapped handles with comfort-enhancing neoprene knuckle guards. Kwik-Connect compatible. One-person capacity. Diameter: 54".