Interior Dimensions - Carry-On7.221.75" x 13.75" x 9.75"19" x 13.5" x 9.75"Medium8.926.75" x 17.5" x 11.5"24" x 16.5" x 11.5"Large10.530.75" x 21.0" x 13.25"28.25" x 20.25 x 13.25"Exterior Features:Polycarbonate/ABS shell material - Highly scratch resistant brushed texture ...Interior Dimensions - Carry-On7.221.75" x 13.75" x 9.75"19" x 13.5" x 9.75"Medium8.926.75" x 17.5" x 11.5"24" x 16.5" x 11.5"Large10.530.75" x 21.0" x 13.25"28.25" x 20.25 x 13.25"Exterior Features:Polycarbonate/ABS shell material - Highly scratch resistant brushed texture - Integrated TSA-approved lock (Checked sizes only)Integrated multi stage handle system360° dual spinner wheels for effortless maneuverability on any surface - All cases exand 1-inch - Interior Features - Interior dual zippered pockets and compression straps