biodegradable courier plastic bags a.OEM,ISO9001:2008,SGS b.Durable & tearing resistant c.Customized size,logo d.Recyclable biodegradable courier plastic bagsFeatures and ... -10 colors, both printed by copperplate printing and non-printed plain.3)Usage:for post, delivery packing, express delivery, courier mailing4 ... , PE/PO, PO/PE, CPE and EVA, etc. biodegradable courier plastic bags(FZ978)