... ,good security,handy use. 2,Good Quality Courier bag 3,mailing usage 4,mail,courier bags 5,Courier use Introductions ... 1, 6" x 9"2, 71/2" x 101/2"3, 9" x 12"4, 10" x 13"5, 12" ... import lowest material and we are original equipment manufactuer(OEM).3)Equipment: All machines are digital control type4)Service: We ... ,with a PE pocket 2,the common specification bags 3,Has the column for write adress bags 4,no ...