1Push Pull Opening: Rounded corner window with sliding opening, single side glass can be slid open and closed, with removable insect screens on the opening side to provide a barrier against insects and mold. 2Strong Sealing: The frame is sealed with waterproof rubber rings, keeping your camper cool in the summer and warm in the winter, and there are drainage holes to ensure rainwater can flow out. 3Durable Frame: The frame is made of high strength aluminum alloy, and the frame is polished and smooth with black powder coating, ensuring long lasting oxidation resistance. 4Tempered Glass: Adopts 4mm thickness black tempered glass (E4 certified) with high sturdiness, and can effectively resist Uv, sound and heat, providing a comfortable interior environment. 5Wide Application: Window can be used in storage compartments, living rooms, lounges, campers, trailer conversions and other projects or any location where windows are needed to enhance indoor brightness or ventilation.