1、Rugged Frame: The frame is made of high strength aluminum alloy, with a black powder coating providing unparalleled oxidation resistance, ensuring long lasting performance even in harsh outdoor environments. 2、Prevent Leakage: The whole frame has a rubber ring to ensure perfect sealing, so that your RV is cool in summer and warm in winter. There are drainage holes under the frame to ensure rainwater runoff. 3、Tempered Glass: 4mm thick black tempered glass (E mark certification) provides durability and safety for windows. Tinted glass is resistant to ultraviolet radiation and heat, preventing the cabin from overheating. 4、Easy to Slide: A rounded corner window with a sliding opening, single sided glass that can slide open and close, and a detachable insect screen on the opening side to provide an insect barrier. 5、Application: The sliding window is applicable to any position requiring window opening, such as motorhome, teardrop cargo horse trailer, RV, mobile house, construction vehicle, etc.