Heavy duty marine hatch for boat deck 500x500mm UV resistant storage1、Secure and Convenient: Equipped with a safety lock and matching key, it provides secure and convenient access to your storage space. It is perfect for RVs, campers. 2、Large Capacity: With large opening and secure lock, can accommodate large items and ensure the safety of your belongings, can be installed horizontally or vertically. 3、Excellent Seal Design: Equipped with sealing strips, it ensures complete sealing, waterproofing, and great shock absorption. It also offers excellent insulation and soundproofing performance. 4、Easy to Use: With a 500x500mm size design that can be opened up to 0‑180 degrees, it offers easy access for storing larger items. The exterior design has no external fasteners for a sleek look. 5、Material: Made with a heavy duty aluminum alloy frame and ASA panel with high UV resistance and surface electrostatic spraying, it has excellent anti corrosion and anti rust performance.