Feature: 1. Sturdy: The RV window is made of aluminum alloy, acrylic glass and rubber material, perfectly resistant to oxidation, can withstand outdoor environment. 2. Sealed Design: The entire frame is equipped with a water proof rubber ring, perfectly sealed and having excellent shock absorbtion performance. 3. Versatile and Practical: The inner frame has three modes of application,can be full privacy curtain, can be all open, can be a protection of privacy, prevent sound and heat. 4. Double Layer and UV Proof: The opening window features a double layered hollow, convex outer and flat inner acrylic glass, can effectively prevent UV from entering the car interior. In addition, it is suitable for campers, RVs, construction vehicles, etc. 5. Convenient for Use: The RV window has 3 handle switch, easy to push outward to open and close for locking, a aluminum alloy support rod for the support while open, 3 holes on the support rod can be used on the internal buckle of the rod to pop out and support the window. Specification: Item Type: RV Window Material: Aluminum Alloy, Acrylic Glass, Rubber Window Overall Size: Approx. 450 x 350mm / 18 x 14in Installation Opening Dimensions: Approx. 400 x 300mm / 16 x 12in Installation Thickness: Suitable for 30-60mm / 1.2-2.4in wall thickness Features: Double layer hollow acrylic glass, convex outside and flat inside, can effectively protect against UVrays, with aluminum alloy support rod and external push handle easily close or open, equipped with screens and sunshades privacy curtains inside the frame, can be a good protection of privacy, prevent sound and heat Application: Suitable for RV, mobile home and any other places where window need to be installed. Package List: 1 x Window1 x Fixed Clamp Frame1 x Sunshade Curtain4 x Long Screws8 x Short Screws Note: 1. Installation may be challenging, it is recommended to seek the assistance of a professional engineer for the best shopping experience. 2. Avoid collisions when disassembling and installing. 3. Before purchase, please measure the dimensions to ensure it is the size you need.