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Message: [QUOTE="jackellis, post: 233965, member: 29905"] A lot of people ask how custom mylar bags are actually made, so here’s the simple version. Custom mylar bags are produced using multiple protective layers, usually plastic film and foil, to block moisture, air, and light. The material is laminated first, then cut and heat-sealed into the final bag shape. Features like zip locks, tear notches, and stand-up pouches are added during this stage. For printing in the USA, most packaging companies use flexographic printing machines for bulk orders because they’re fast and cost-effective. Digital printing machines are also widely used for short runs and custom designs with sharp detail. Some large-scale manufacturers use rotogravure presses for premium print quality. At Kwick Packaging, these methods help create durable, custom-printed mylar bags that look professional and keep products fresh. [/QUOTE]