PP-B-20D, FEDERAL SPECIFICATION: BAGS, COTTON, MAILING (19-MAR-1980) [S/S BY A-A-2714]

PP-B-20D, FEDERAL SPECIFICATION: BAGS, COTTON, MAILING (19-MAR-1980) [S/S BY A-A-2714]., This specification covers the requirements for cloth, drawstring, mailing bags.