Feature:1. Application: 720x420mm/28.34x16.53in large hatch, and can be opened 0180 degrees to store larger items, suitable for RV, campers, vans and other vehicles need any hatch position.2. Spraying Surface: The surface of the hatch is treated with electrostatic spraying, which has strong anti UV characteristics and good heat and sound insulation performance.3. 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.4. Thoughtful Equipment: With a security lock and matching key, locking the hatch door is a great way to deter any unwanted intruders and give yourself peace of mind.5. Waterproof Design: The hatch door is equipped with sealing strips around the hatch to ensure complete sealing and waterproof and shock absorption performance.Specification:Item Type: RV Storage HatchMaterial: Aluminum alloy, rubber, ASAHatch Door Surface Size: Approx: 720x420mm/28.34x16.53inInstallation Hole Size: Approx: 700x400mm/27.55x15.74in, R70-4Applicable Hatch Thickness: Approx: 25-55mm/1-2.16inApplication: Heavy duty storage hatch with safety lock, 700x400mm 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, van, trailer, etc. any need for hatch position.Package List:1 xRV Storage Hatch2 x KeysNote: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.