... .QS,ISO9001,ISO14001,OHSAS18001 4.Enviornment friendly ,printed paper bag Shanghai Qiangwei Printing Co.,Ltdpaper bag Size:According to customer’s specific requirementMaterial ... as well as the common 4 colors(CMYK) process.Packingstandard export carton.Surface disposalgloss/matte lamination,varnish,UV coating,gold/silver ...