... courier bags,experess bags,mailing bag.1.Material:LDPE.2.Film Colour: outside-white & inside-black.TIANBAI PLASTIC3 ... things Standard Sizes:1, 6" x 9"2, 71/2" x 101/2"3, 9" x 12"4, 10" ... top lip2,thickness3,color4,printing5,quantity6,has the PE pocket or not Our Advantage:1)Quality: ISO9001 certificate ... bags:1,inner gray,outer white,with a PE pocket 2,the common specification bags 3,Has the column ...