Amarine-made Marine Deck Hatch Boat Deck Hatch Access Hatch & Lid 12-3/8" X 17-1/4" - White - 315mmx440mm Low profile hatch, designed for installation on internal or external flat surface Heavy duty, UV stabilised white ABS construction Reinforced lid with non-skid surface The lid hinges 180 and completely covers the mounting flange, for an attractive flush finish Rubber seal ensures weatherproofing when mounted on vertical surfaces