Feature: 1. Application: 700x600mm/27.55x23.62in large hatch, and can be opened 0?180 degrees to store larger items, no exposed exterior fasteners for smoother exterior lines of the RV. 2. Strong Sealing: The hatch door is equipped with sealing strips around the hatch to ensure complete sealing and waterproof and shock absorption performance. 3. Sound Insulation: The surface of the hatch is treated with electrostatic spraying, which has strong anti UV characteristics and good heat and sound insulation performance. 4. UV Proof: The storage hatch is made of heavy duty aluminum alloy frame and UV resistant ASA sandwich panel, which is rust proof and will not fade even under the long outdoor sun. 5. Security Protection: Equipped with a security lock and matching key, locking the compartment lid will stop any unwanted intruders and give yourself peace of mind and security. Specification: Item Type: RV Storage HatchMaterial: Aluminum alloy, rubber, ASAHatch Door Surface Size: Approx: 720x620mm/28.34x24.4inInstallation Hole Size: Approx: 700x600mm/27.55x23.62in, R70-4 Applicable Hatch Thickness: Approx: 25-55mm/1-2.16inApplication: Heavy duty storage hatch with safety lock, 700x600mm large area opening to accommodate large objects, UV resistant and long lasting sunlight without discoloration, and can be used for horizontal or vertical installation, a perfect replacement to old and broken storage doors, applied to RV trailer campers retrofitting and other projects.Suitable for RV campr, motor caravan, trailer, etc. any need for hatch position . Package List: 1 x RV Storage Hatch2 x Keys Note: 1. Manual measurement please allow 3mm error.2. Professional installation is highly recommended, please find a professional engineer to assist in the installation has been the best shopping experience.3. Please make sure it is the correct size you need before purchase.