American Tourister Lightweight Four-Piece Spinner Set (21"/28"/Backpack/Duffel), Only at Amazon, Black Exclusive to Amazon Carry-On Spinner measures 20" x 14" x 8" (not including handle or wheels), Larger Spinner measures 28" x 19" x 10" (not including handle or wheels), Backpack measures 10" x 15" x 8"; Duffel measures 15" x 20" x 8" Single spinner wheels on the two luggage pieces for easy mobility Reinforced corners defend against the harshest travel conditions Multiple exterior and interior pockets on all bags to keep you organized, Push button locking handle