Material:Poly Item Name:Custom poly colored mailing postal shipping bags Print:gravure print/flexo print/screen print Dimension:30*(39+4)cm, customized Usage:packaging, online shopping, promotion, shipping and post Thickness:30-200microns, custom Opening:self sealing /self adhesive Packing:in Standard cartons/ custom Sample Costs:can be refunded Sample Lead Time:Generally 5-7 days Extra Services:Both OEM and ODM are available Show More