17.50" x 25.50" Polycarbonate Skylight Dome (Outside Your RV) Material:Polycarbonate and artwork are enhanced dramatically

and artwork are enhanced dramatically under this even lighting

The footprint is small

Dome dimension 18 1/2" x 30 1/2"

Overall Dimension of Plastic (includes flange) 51" x 99"

versus a lesser quality film coating which causes light distortion and less light collection

17.50" x 25.50" Polycarbonate Skylight Dome (Outside Your RV) Material:Polycarbonate and artwork are enhanced dramaticallyOverall Dimension of Plastic (includes flange) 17 1 2" x 25 1 2" Flange 1 1 2", Dome dimension 14 1 2" x 22 1 2" Thickness . 118 Approximately 1 8" Height of Outer Dome 4" Material: Polycarbonate (impact resistant) Gradual Rise Profile We make all sizes! Please contact us if you need the size to be special. This product is designed for use on the Outside of an RV or trailer.