Features 1、Good Sealing: The window is designed with rubber ring to ensure complete sealing and waterproof performance, with a drainage hole underneath to ensure rainwater flow. 2、Tempered Glass: E4 certified 4mm thick black tempered glass, solid construction, effective resistance to ultraviolet rays, sound and heat, providing a comfortable interior environment. 3、Slid Window: Push pull opening, one side of the glass can be pushed and pulled and the opening side has an insect screen to provide a barrier to insects. 4、Complete Kit: Can be installed in portrait or landscape orientation, the package includes drain plugs, retaining rings, and screws to provide a solution for your broken windows. 5、Application: Suitable for standard wall thickness of 5mm‑7mm or 53mm‑54mm, can be used in storage compartments, living rooms, lounges, suitable for campers, RVs, construction vehicles, etc. Specification Item Type: RV Windows Material: Aluminum alloy + tempered glass + rubber Window Dimensions: 680x450mm (please allow 3cm error due to manual measurement) Installation Thickness: 5mm-7mm or 53mm-54mm sheet metal mounting (please allow 2mm error for glue fixing) Cut Out Size: Approx. 650x420mm/25.59x16.54in, can be used for longitudinal or horizontal installation Applicable: Suitable for campers, RVs, engineering vehicles and other locations that require windows Package List 1 x 650x420mm RV Window 1 x Fixed Box 1 x Pack of Water Guide Hole Stopper 1 x Pack of Fixing Screw