BRIS 1.2mm PVC 12.5 ft Inflatable Boat Inflatable Fish Hunter & Person Inflatable Raft Boat Main tube and bottom floor fabric :2000denier 1.2mm PVC12.5mm thickness aluminum floor and marine plywood transom for outboard motor Double layers of fabric at the bottom of the tubesAluminum side joiners with rubber ends Three individual chambers, One -way drain valve with plug Deep V-keel with rub-strake protection , Built-in oarlock for easy rowingNine Interior tie down stainless steel D-rings Two large tow stainless steel D-rings on bow and rear tubes