More 'roll' than 'bag' - (see the photo with it open that shows the flaps that fold in from the side pieces)
Most interesting is the original mailing label
From:
Herschel M Teach
Manchester College
North Manchester, Ind
To:
Corene Baum
Box 54
North Hampton Ohio
Closed and stuffed with paper as photos appear it measures about 19" x 10" x 6". It will be shipped without the stuffing.