This style has 1 removable adjustable shoulder strap attachable with a spring carabiner, 2 handle.
Front pocket: closed with zipper, 2 open pockets inside
3 compartments:
Comp. I: closed with zipper, inside 1 pocket closed with zipper
Comp. II: closed with zipper, inside 2 open pockets, 1 pocket closed with lash and snap padded for laptop
Comp. III: 1 pocket closed with zipper
Back: slide through pocket for trolley use.

Width 40.5cm (16")
Height 30.5cm (12")
Depth 11.5cm (4.5")