The Fish-N-Mate 686 Large Cart with Grey Poly Wheels has a 200 pound load capacity, and it holds up to a 72 quart cooler. This large cart comes with (2) 9'' X 17'' Polyurethane flotation tires with composite hubs each fitted with 2 sealed stainless steel ball bearings. Fill tires to 2-4 lb air capacity. The tires make easy work of the trip across soft sand that bogs down traditional hard tires. The Fish-N-Mate 686 Large Cart with Grey Poly Wheels pulls easily across the softest sand.