attachcase
nounUK /əˈtætʃ.keɪs/
US /əˈtætʃ.keɪs/
A small case with a handle that you use to carry papers and books.
She put her homework in her attachcase before school.
OTHER MEANINGS
2. A flat case for carrying important papers to work.
The businessman carried his attachcase to the meeting.
3. A hard case that snaps shut to keep papers safe.
He clicked the attachcase closed and left.
4. A bag used by students to hold notebooks and pens.
My attachcase has a pocket for my pencils.