Durable: The overall frame of the longitudinally raised round corner window is made of high strength aluminum alloy, and the exterior of the frame is coated with black powder to ensure corrosion resistance and oxidation resistance for a long time, even in outdoor environments, it will not be corroded. Good Sealing Performance: The entire frame ring of the window is equipped with waterproof rubber rings to provide complete sealing and waterproofing performance, keeping your camping car cool in summer and warm in winter. UV Resistance: Black tempered glass with a thickness of 4 cm ensures the overall strength and safety of the windows, and colored glass can effectively resist UV and heat to prevent overheating inside the carriage. Insect Isolation: The rounded windows are opened in a pull up style, with one side glass that can be lifted and closed. The open side is equipped with a movable insect net to provide a barrier for insects and mold. Widely Applicable: Windows can be used in storage compartments, living rooms, lounges, or any location where windows are needed to enhance indoor brightness or ventilation windows.