25 pieces closure Slim side assembled aluminum foil mailing valve zipper heat seal coffee bean bags tea packaging

Product style: Aluminum side foil valve zip lock bags for coffee materials: Aluminum foil + VMPET + MOPP + PE thickness: 300 microns (double-sided) color: black/white/red/blue/pink/green/brown/transparent/army green/golden/kraft paper/yellow/pale blue size: as shown in the diagram below style: sealed with valve/without valve features: resale, top zipper, oil-resistant, moisture-resistant, sun and dust resistant, food grade usage: food / coffee / sweets / tea / nuts / dried flowers / snacks / powder / biscuits, etc.