RoofPax bags are available in four sizes: 15cf car Roof Bag’s measurements are: L 43.3″ x W 31.5″ x H 19.8″  19cf Car Roof Bag’s measurements are: L 47.2” x W 35.4” x H 19.8” ‎‎ 23cf Car Roof Bag’s measurements are: L 49.2” x W 36.62” x H 22” Expandable (15-19 cf) Car Roof Bag’s measurements are: L 47.2” x W 35.4” x H 19.8”