Features： 1、Wide Applications: Tempered glass RV window is suitable for camper, trailers, RVs, mobile homes, construction vehicles, etc. Can be used in storage rooms, lounges or any location where windows are needed. 2、Aluminum Alloy Frame: The rounded fixed window is made from a high strength aluminum alloy frame that is coated with black powder to ensure long lasting oxidation prevention, even in outdoor environments. 3、Waterproof Seal: The entire frame of the round corner RV window is equipped with waterproof seals, ensuring complete sealing and waterproof performance. 4、Safety and Durability: The window features 4mm thick black tempered glass (E mark certified) that ensures overall strength and safety. The tinted glass effectively blocks UV rays and heat to prevent overheating of the interior of the vehicle. 5、Easy Installation: The RV window comes with fixed rings and screws, without any exposed external fasteners, resulting in a smoother exterior design. It provides a solution for leaking, damaged, or unsatisfactory windows or wall. Specification： Item Type: RV Window Material: Aluminum alloy + tempered glass + rubber Window External Dimension: Approx. 530x480mm/20.9x18.9in Installation Opening Hole Size: Approx. 500x450mm/20x18in Applications: Rounded fixed windows protect your privacy and ensure that the sun's rays don't heat up the interior of your RV, fully sealed windows keep your camper cold in the summer and warm in the winter, use in storage compartments, living rooms, lounges or anywhere you need a window, can be used for your camper trailer conversions and other retrofit projects. Fitment: Suitable for camper trailers, RVs, mobile homes, construction vehicles, etc. wherever windows are needed. Package List： 1 x RV Window 1 x Fixing Frame 1 x Package of Screws  (13pcs)