1、Robust Frame: The frame is made of heavy duty aluminum alloy and has been anodized to polish the surface to a smooth finish, which will not corrode even in harsh offshore links or outdoor environments. 2、Window Construction: The skylight is made of 6 mm thick smoked gray acrylic glass, with rotating fixed handle and 316 stainless steel support rod, to ensure the overall sturdiness and durability of the sunroof. 3、Strong Seal: The window frame has a waterproof seal that provides complete sealing and shock absorption, and the gray glass filters out UV rays while ensuring light can enter the compartment for brightness. 4、Multifunctional Use: Adopts push out sunroof design, the rotary handle of the escape window has a switch lock button, which can be opened from 0 to 90 degrees, used for sunroof, ventilation window, storage compartment, roof, etc. 5、Wide Application: The deck porthole 260 x 260mm cut out installation, suitable for 15mm or any thickness of the wall, suitable for boat, yacht, ship, and RV, can be used for modification and other projects. Item Type: Boat Skylights Window Material: Aluminum Alloy, Nylon, Acrylic, 316 Stainless Steel Outer Dimension: Approx. 325 x 325mm/12.8 x 12.8in Mounting Hole Size: Approx. 260 x 260mm/10.2 x 10.2in Applicable Installation Thickness: Approx. 15mm/0.59in, or any thickness Push Out Opening Angle: 0-90 Degrees Application: Suitable for Boat, Yacht, Nautical, RV 1 x Boat Skylights Window