Exterior Dimensions:Carry-On: 21.75 x 13.75 x 9.75 Inches; Medium 26.25 x 18.5 x 10.25 Inches; Large: 30 x 20.25 x 11.50 Inches (Includes handles & wheels)
Interior Dimensions:Carry-On: 19 x 12.5 8.75 Inches; Medium: 22.75 x 17.50 x 10.00 Inches; Large: 26.5 x 19 x 11.25 Inches
Volume:Carry-On: 48 L; Medium: 81 L; Large: 115 L
Linear Inches:Carry-On: 45.25; Medium: 55; Large: 61.75