Feature 1Push Pull Style: Sliding opening for enhanced interior light or ventilation, keeping your camper cool in the summer and warm in the winter. 2Unique Design: The inner frame has 3 modes of application for insect protection, privacy, or full opening, and can be used in hatches, living rooms, lounges, or anywhere a window is needed. 3UV Resistant: Upgraded design ensures that the windows are strong and secure overall and is resistant to UV rays, sound and heat. 4Waterproof: The window frames have waterproof rubber rings to ensure complete sealing and waterproof performance, and drainage holes under the frames to ensure rain water run off. 5Anti Oxidation: Round corner sliding window is made of high strength aluminum alloy and tempered glass, and the frame exterior is black powder coated to ensure resistance to oxidation.Item Type:RVCamperWindowsMaterial:Aluminum alloy, rubber, ABS,tempered glassWindow Shape Size: Approx: 530x330mm/20.86x13inInstallation Opening Size: Approx: 500x300mm/19.68x11.81inApplication: Windows protect your privacy and ensure adequate sunlight does not heat the interior of your RV. Fully sealed windows keep your camper van cold in the summer and warm in the winter .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; }Application: Suitable for camper, RV, engineering car and other any need for windowsPackage List1 x RVCamperWindow1 x Inner Frame1 x Fixed Frame4 x Long Screw10 x Short ScrewNote1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. If you are not a professional, please suggest finding a professional engineer to assist in the installation to ensure a perfect shopping experience