Material: double glazed acrylic pane, stable aluminum alloy outer frame and durable PU inner frame RV Skylights from Maygood are made of glazed acrylic pane to be long lasting and very easy to clean. There are various sizes to choose.1. Material: double glazed acrylic pane, stable aluminum alloy outer frame and durable PU inner frame2. Can be stopped in three positions3. Easy for installation ( ...