1、Rugged Frame: The frame is made from high strength aluminum alloy with a black powder coating that offers unparalleled oxidation resistance, ensuring long lasting performance even in harsh outdoor environments. 2、Prevent Leakage: The entire frame has a rubber ring to ensure a perfect seal, keeping your camper cool in the summer and warm in the winter, with drainage holes under the frame to ensure rainwater runoff. 3、Tempered Tinted Glass: 4mm thick black tempered glass (E‑mark certified) offers both sturdiness and safety to the window. The tinted glass resists UV rays and heat, preventing cabin overheating. 4、Easy to Slide: Rounded corner windows with sliding opening, single side glass can be slid open and closed, and the opening side has a removable insect screen to provide a barrier against insects. 5、Application: Slide window is applicable to any location where windows are required, such as campers, trailers, RVs, mobile housing, construction vehicles, etc.