This convertible backpack can be used as a messenger bag and is a stylish option to store all your gear as you set out on your own unexpected journey. This backpack features three outer pockets with webbed strap closures. The main compartment measures 14 x 13 x 4 and it has padded mesh comfort straps and backing, as well as a removable shoulder strap. Removable strap adjusts from approximately 36 to 48. Shoulder straps adjust from approximately 15 to 30. Backpack construction features 100% cotton canvas.