satchel

US /ˈsætʃ.əl/
UK /ˈsætʃ.əl/
"satchel" picture
1.

a bag carried on the shoulder by a long strap, typically made of leather or canvas and used for school books or a laptop

:
He slung his leather satchel over his shoulder and headed to class.
The artist carried a large canvas satchel filled with paints and brushes.