... competitive price excellent colour printing best service for clients,samples available stand-up zipper bag Name:Doypack zipper bagsMOQ:20000PCSSize ... s material ,size, printing colors and quantityproducing process:Plate making ,printing, lamination, separating and cutting, bag making, examing ... printing quality.2)Materials, excellent to prevent leakage and easy to tear open.3)Aluminum Foil Bag is ...