Features 1、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. Specification Item Type: Marine Access Hatch Material: Aluminum alloy + rubber + ASA Hatch Size: Approx. 520x520mm/20.47x20.47in Installation Opening Size: Approx. 500x500mm/19.69x19.69in, R70-4 Applicable Mounting Thickness: 25-55mm/0.98-2.17in Application: Suitable for RVs, campers, etc Package List 1 x Marine Access Hatch 2 x Key