1、Heavy Duty Construction: The boat deck hatch is made from UV resistant, and stable white ABS structure that can withstand the harsh marine environment, ensuring long lasting performance. 2、Versatile Installation: This marine deck hatch can be mounted vertically or horizontally in any desired location, featuring pre drilled counter sunk fastening holes for easy installation (screws not included). 3、Rubber Seal Protection: Equipped with a rubber seal, this boat hatch ensures weatherproofing when installed on a vertical surface, providing protection against wind and rain for added security. 4、Secure Locking Mechanism: With a safety lock and matching keys, locking the hatch securely prevents any unwelcome intruders and keeps belongings safe and secure in the compartment. 5、90 Deg Flip: The hatch lid can flip 90° and fully cover the mounting flange for a sleek and aesthetically pleasing flush finish, enhancing the overall appearance of your boat, yacht, deck, or RV.