1、Sturdy Frame: Skylight frame is made of aluminum alloy with an anodized face, ensuring long lasting rust and oxidation resistance, can withstand harsh Marine or outdoor environments. 2、UV Resistant Glass: The 6mm thick smoky grey acrylic glass filters out UV rays without affecting brightness, with a rotating fixed handle and 316 stainless steel support rod, the overall is very strong. 3、Good Sealing: The whole ring of the window frame is equipped with waterproof rubber ring, and the sealing ring can provide complete sealing waterproof performance and shock absorption effect. 4、Push Out Type: Window can be opened at any Angle for 0 to 90 degrees, and the rotating handle with switch lock button, push outward to open, can be used for sunroof, ventilation window, storage compartment. 5、Widely Used: Applicable for walls of 15mm thickness or any thickness, it can be used for your ship, yacht and RV retrofitting and other projects to replace leaking, broken and unsatisfactory window. Item Type: Boat Hatch Window Material: Aluminum alloy + Nylon + Acrylic +316 stainless steel Window Size: Approx. 275 x 275mm / 10.8 x 10.8in Installation Hole Size: Approx. 211 x 211mm / 8.3 x 8.3in Applicable Installation Thickness: Approx. 15mm / 0.6in, or any thickness Push Out Angle: Any Angle from 0 to 90 degrees Application: Applicable for Boat/Yacht/Nautical/RV, a solution for your leaking, broken and unsatisfactory window 1 x Heavy Duty Skylight Window