Breaking new ground in bag design, the Flatiron Messenger Bag is sure the change the landscape in messenger bags for years to come, much like the Flat Iron building changed the skyline of NYC forever. This feature packed, innovative messenger bag is designed for the 21st century urbanite on the move.The medium version of this bag features a removable interior laptop sleeve that can fit up to a 13" laptop (E.G. MacBook Pro 13").The large version of this bag features a removable interior laptop sleeve that can fit up to a 15" laptop (E.G. MacBook Pro 15"). SPECS:Small - Bottom 11 (Top 14) x 10 x 6.5 inchesMedium - Bottom 13.75 (Top 18) x 11.25 x 7.25 inchesLarge - Bottom 15 (Top 19.75) x 12.5 x 7 inches