Feature 1Robust Aluminum Alloy Build: Engineered with a sturdy aluminum alloy frame and panel, our RV access door features a powder coated finish that provides sun protection. It resists rusting and yellowing, ensuring it remains safe from discoloration or cracks, even with long term sun exposure. 2Enhanced Sealing and Insulation: This hatch door is designed with sealing gaskets on all four edges, offering exceptional waterproofing and shock absorption. It also provides great thermal insulation and soundproofing, improving the comfort of your RV experience. 3Optimal Size and Easy Installation: With an outer dimension of 425 x 525mm / 17 x 21in and an installation opening size of 400 x 500mm / 16 x 20in, this door supports wall thicknesses from 25 to 40mm (0.98 to 1.57in), making it versatile for various RV models and simple to retrofit or install. 4Sleek Look with Enhanced Security: Featuring a design with no visible external fasteners, this flush mounted access door adds a streamlined appearance to your RV. It includes a secure lock with matching keys, providing peace of mind by preventing unauthorized access. 5Ideal Replacement Solution: Acting as a replacement for worn out or damaged storage doors, this luggage door is ideal for upgrades and modifications. It's suitable for a range of recreational vehicles, including RVs, campervans, and motorhomes, wherever an access door is needed.Item Type: RV Storage Compartment DoorHatch Panel Size: Approx. 425 x 525mm / 17 x 21inInstallation Hole Size: Approx. 400 x 500mm / 16 x 20inThickness Range: Approx. 25 - 40mm / 0.98 - 1.57inMain Material: Aluminum Alloy + Sun Proof ASA PanelApplication: Heavy duty storage compartment door with safety lock, large opening area for big items, sun proof to prevent color fading from long sun exposure, can be installed horizontally or vertically, ideal replacement for old damaged storage doors.Fitment: Suitable for RV, Campervan, Motor Home, Travel Trailer Package List1 x RV Storage Door2 x Keys8 x Buckles8 x ScrewsNote1. It is highly recommended to have professional installation. Please seek professional engineers for assistance, ensuring better shopping experience; 2. Please confirm the correct size before purchasing.