Features: The surface of RV skylight is covered with UV coating, it can anti-UV and keep long time weather resistance and never fade. Camper skylight inner dome can be sewn with special glue to effectively prevent leakage. Specification: Material: polycarbonate Main function: anti UV Size: Dome Dimension: 14 x 22 x 2.68 inch Flange Dimension: 18 x 26 inch Height: 3 inch Screws size: 1.35 inch Main color: milky white Package includes: 1 x Skylight PC board 22 x Screws 1 x Instruction manual Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.