RV Skylight Interior Garnish & Exterior Cover 17" X 24"  W/ Installation Accessories.

Overall dimensions Interior including frame: 17" Width X 24" Length X 5" Height
Overall dimensions Exterior Including frame: 17.5" Width X 26.75" Length X 5" Height

This is the INTERIOR & EXTERIOR piece

This listing will contain the follow items:
1 Skylight Interior Garnish
1 Skylight Exterior Cover
1 Roll of Putty Tape
1 10.1 Oz Tube of Self-Leveling Sealant
White 3/4" Self tapping Mounting screws

Not included: Installation instructions, or Retail packaging.