I put the transparent document bag with counterclaim in it on the table intentionally.

故意将装有反诉状的透明文件袋放在桌上。

youdao

He used a self check-in kiosk to board the flight at Heathrow and was allowed through when the document was checked in the bag-drop area.

BBC: Stephen Lennon

Generally, if a man's bag is too small to carry a legal-size document, it starts to look like a murse (though there is some leeway for squared-off iPad carriers).

WSJ: Wanted: Satchel to Carry Everything