1Aluminum Alloy Frame: The frame is made from high strength aluminum alloy, ensuring long lasting durability and resistance to corrosion and oxidation in outdoor environments. 2Waterproof Sealing: The entire frame of the window is equipped with waterproof rubber seals to ensure complete sealing and waterproof performance. 3Thick Tempered Glass: 4mm thick black tempered glass, providing strength and security, effectively blocks UV rays and prevents excess heat buildup inside the vehicle. 4Versatile Application: This rounded fixed window can be used in storage compartments, doors, roofs, living spaces, lounges, or any other area that requires a window, enhancing interior brightness. 5Smooth Exterior: Comes with fixed rings and screws, eliminating the need for exposed external fasteners, provides seamless look while solving issues with leaking, damaged windows or walls. 6Suitable for Various Vehicles: This RV fixed window is suitable for trailers, RVs, construction vehicles, and other similar projects. Item Type: RV Fixed Window Material: Aluminum alloy + tempered glass + rubber Window Size: Approx. 480x480mm/18.9x18.9in Cut Out Installation Size: Approx. 450x450mm/17.7x17.7in Function: Protect your privacy and make sure the sun doesn't heat your RV interior, and fully sealed windows keep your camper cold in the summer and warm in the winter. It can be used in storage compartments, living rooms, lounges or anywhere windows are required, and can be used for your campervan trailer retrofitting and retrofitting projects. Application: Suitable for campers, trailers, RVs, mobile homes, engineering vehicles and other locations that require windows 1 x RVFixedWindow 1 x Fixed Frame 1 x Pack of Screw (12 Pcs)