SUPER-STRONG – SuperStrong enhanced molecular formulation PVC provides superior strength and durability, ensuring high impact and abrasion resistance TRIPLE AIR CHAMBERS – Three air chambers, including one inner auxillary chamber for added safety; inflation and deflation is made easy constructed with two quick-fill Boston valves to get you on the water faster ACCESSORIES – Included with (x2) 48-inch boat oars for easy paddling, welded-on oar locks and oar holders, grab handles on each side and an all-around grab line for convenience PUMP INCLUDED – The water is calling to get out there and explore; inflate the Challenger in just minutes with the convenience of the high-output hand pump WEIGHT CAPACITY – Boating is always better with a pal, the Challenger recommended capacity is perfect for two adults, holding up to 300lbs in weight