1、Rustproof and Sturdy: The overall frame of the window is made of high strength aluminum alloy, and the exterior of the frame is coated with black powder to ensure rust and oxidation resistance, even in the outdoor environment. 2、Waterproof and with Drainage Holes: The entire frame ring of the window is equipped with waterproof rings to ensure sealing performance, to keep your camper cool in summer and warm in winter, with drainage holes under the frame to ensure rainwater runoff. 3、Uv Protection Glass: 4mm thick black tempered glass ensures the overall robustness and safety of the Windows, and colored glass can effectively resist UV and heat to prevent overheating inside the carriage. 4、Push Pull Opening and Insect Proof Mesh: The rounded window opens with push pull and movable insect proof mesh. The window can be used in storage, living room, lounge, which enhances indoor brightness. 5、Retrofit Windows: Comes with retaining rings and screws to provide a solution for your leaking, broken and unsatisfactory Windows. Our window can be used for your camper trailer modification and installation projects.