1、Rust Resistant and Strong: The overall frame of the window is made of high strength aluminum alloy, and the exterior of the frame is painted with black powder, to ensure that it can prevent rust and oxidation even in the outdoor environment. 2、Uv Protection Glass: 4mm thick black tempered glass is designed to ensure the overall sturdiness and safety of the Windows, stained glass can effectively resist UV and heat, to prevent overheating inside the carriage. 3、Push Pull Design: The push pull design of the window is easy to use and allows you to freely adjust the window opening degree, even in a limited space, but also to achieve excellent ventilation effect. 4、Multiple Protection: The trailer's sliding Windows are waterproof and mosquito proof. The whole frame ring is equipped with a waterproof ring, and the frame is provided with a drainage hole. 5、Refurbished Window: This window can be used for storage, living room, lounge to enhance indoor brightness. A solution for your leaking, broken and unsatisfactory Windows and can be used for your camper trailer modification and installation works.