Feature 1Auminum Alloy Frame: Rounded sliding windows are made of high strength aluminum alloy frame to ensure that the window frame is durable. 2Good Sealing: There is a waterproof rubber ring around the window frame, and drainage holes to ensure rainwater runoff, the window has complete sealing and waterproof performance. 3Black Tempered Glass: The window adopts black tempered glass with a thickness of 4mm, can effectively resist ultraviolet rays and heat, ensuring the overall sturdiness and safety of the window. 4Wide Application: Windows can be used in storage compartments, living rooms, lounges or anywhere windows are needed, and can be used to enhance indoor brightness or ventilation windows. 5Insect Screen: Sliding windows with removable insect screens on the opening sides provide a barrier against insects, and fixing rings and screws are provided for ideal replacement.Item Type:RoundedSlidingWindowsMaterial:Aluminum alloy + rubber + tempered glassOverallDimensions: Approx. 530x480mm/20.9x18.9inMounting Hole Size: Approx. 500x450mm/19.7x17.7inApplications: Tintedwindowswithinsectscreensprotectyourprivacyand ensure that the sun does not heat the interior of your motorhome, fully sealedwindowskeep yourcampercold in the summer and warm in the winter,usedin storage compartments, living rooms, lounges or anywherewindowsare needed, can beusedfor your campervan trailer retrofit, etcApplicable: Suitable forcamper, trailer, RV, mobile home, engineering vehicle and other locations that requirewindows .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x RoundedSlidingWindow (with Fixing Frame)1 x Pack of Screw (12 Pcs)Note1. It is highly recommended to find professional engineers to assist in installation to ensure a perfect shopping experience2. All round protection of packaging distribution and delivery, to ensure that the window is in a new state when it is delivered to your hands, please pay attention to avoid damage caused by bumps when disassembling and assembling3. The size of the product is large, please confirm that it is the correct size you need before purchasing, if you have any questions, please feel free to contact us