1、Sturdy Construction: The overall frame of the sliding window is made of high strength aluminum alloy, coated with black powder, rustproof, long lasting durability. 2、Tempered Glass: The 4mm thick black tempered glass (E4 certified) ensures the overall strength of the window. The tinted glass can effectively resist UV rays, sound, and heat. 3、Prevent Water Leak: The entire frame is equipped with a waterproof rubber ring, ensuring your motorhome stays warm in winter and cool in summer. There is a drainage hole under the frame to ensure the flow of rainwater. 4、Sliding Window: The rounded corner window adopts a sliding opening method, simple to open and close the window. The opening side has a movable anti insect net, providing a barrier against insects. 5、Wide Application: Sliding window is perfect for motorhomes, RVs, and construction vehicles. They can be used in storage rooms, living rooms, bathrooms, or any place that requires windows.