Interior Dimensions - Carry-On5.7 lbs.22.5"x14.75"x9.5"22.45"x14.1"x9.5"Medium8.4 lbs.27"x17.6"x12"25"x17"x12"Large10.19 lbs.31"x20.6"x13.5"29"x20"x13.5"Exterior Features - Lightweight polypropylene shell Expands 1.5" Combination TSA lock EAZYHOOK to carry last-minute items Shock ...Interior Dimensions - Carry-On5.7 lbs.22.5"x14.75"x9.5"22.45"x14.1"x9.5"Medium8.4 lbs.27"x17.6"x12"25"x17"x12"Large10.19 lbs.31"x20.6"x13.5"29"x20"x13.5"Exterior Features - Lightweight polypropylene shell Expands 1.5" Combination TSA lock EAZYHOOK to carry last-minute items Shock-absorbing spinner wheelsRightHeight handle with multiple 1-inch height adjustments - Carry-On size and weight allowances vary by airlines. Visit the Carry-On Guide for more details - Interior Dimensions:Removable Kompresspak garment divider One multifunctional packing cube Holder for your Air - Tag device