Shoulder Strap, Trolley Strap, Handle - 18.5' Height x 12.2' Width x 3.5' Depth 4.49 gal Volume Capacity Tuck-away shoulder straps convert backpack to briefcase Contoured, padded shoulder straps and back panel Spacious main compartment Front stash pocket Luggage pass-through trolley strap Comfortable top and side carry handles