This is the interior dome, sometimes called the inner garnish, for the skylight. For the 15" x 18" exterior clear dome that goes with this use item#777273824
*The 15" x 18" dimensions are in reference to the rough hole dimensions that this skylight is used for.
This item ships for free in the US. if you're located outside the country, please...
This seal is typically used for baggage doors, and is sold in a 25' section....