Feature: 1. Rugged Frame: The frame is made of heavy duty aluminum alloy, and is polished with a white powder coating to provide oxidation resistance, can be used in outdoor environments. 2. Good Sealing: The frame is sealed with waterproof rubber rings, make the interior of the ship comfortable, and there are drainage holes to ensure rainwater flow out. 3. Tempered Glass: Heavy duty transparent tempered glass ensures high firmness and safety of the window, and can effectively resist the harsh marine environment, block sound and heat. 4. Bidirectional Moving: With push pull opening, the glass can be moved bidirectional, providing a wider view, ensure that you can see the beautiful scenery outside in the cabin. 5. Practical: Increase light transmission with a wider viewing angle, enjoy the beautiful scenery of the ocean without moving to the deck, and open the window to feel the refreshing sea breeze! Specification: Item Type: Marine WindowMaterial: Aluminum alloy + tempered glass + rubber .Window Dimensions: Approx. 550x350mm/21.65x13.78in (please allow 3mm error due to manual measurement) Installation Thickness: 30-35mm/1.18-1.38 (please allow 2mm error for glue fixing)Self Tapping Screw Mounting (not included): Approx. 6mm/0.24in mounting aperture Cut Out Size: Approx. 500x300mm/19.69x11.81inApplication: Suitable for ships, yachts and other locations that require windows Package List: 1 x Rounded Slide Window1 x Fixed Frame Note: The thickness of the fixed frame can be customized according to the wall thickness of your boatIt is recommended to find a professional engineer to assist in the installation to ensure a perfect shopping experience