Popular Polyester Drawstring Backpack Bag 1,Polyester,durable,reusable 2,Manufacturer 3,Promotional,shopping,travel 4,OEM Popular Polyester Drawstring Backpack Bag ItemPopular Polyester Drawstring Backpack BagBag SizeVarious sizes ... client’s requestColorNatural ,as well as PantoneMaterial190T,210D,300D,420D,600D.PrintingSilk screen printing,heat-transfer printing, CMYK, sublimation ink jetDesignOEM ...