BRIS 11 ft Inflatable Catamaran Inflatable Boat Inflatable Dinghy Mini Cat Boat Blue Main tube and bottom floor fabric : 1100 denier 0.9mm PVC Floor type : 80mm thickness air deck floor and marine plywood transom for outboard motor Two air chambers per tube for better safety, 2 small fins for better directional tracking on bottom of tubes. package included: inflatable boat, air deck floor, seat , oars, foot pump ,carry bag and repair kits.