1、Sturdy Construction: The overall frame of the sliding window is made of high strength aluminum alloy, coated with black powder for high strength and suitability for harsh outdoor environments. 2、Tempered Glass: The 4mm thick black tempered glass (E4 certified) ensures the overall strength of the window. The tinted glass effectively resists UV rays, sound, and heat, providing a comfortable environment. 3、Perfect Seal: The entire frame is equipped with a waterproof rubber ring, which can achieve perfect sealing, ensuring your RV stays warm in winter and cool in summer. There are drainage holes under the frame to ensure the flow of rainwater. 4、Easy to Slide: The round corner window adopts a sliding opening method, and the single sided glass can be easily slid open and closed. The opening side has a movable anti insect net, providing a barrier against insects. 5、Wide Application: Sliding window is suitable for RVs, motorhomes, and construction vehicles. They can be used in storage rooms, living rooms, restrooms, or any place that requires windows.