1KG Black Coffee Bag 140um Air Degassing Valve 100pcs

Designed specifically for specialty coffee packaging, these matte black 1kg coffee bags measure 230 x 340mm + 50mm at 140um thickness and feature a built-in air degassing valve to safely release CO2 from freshly roasted beans without allowing oxygen ingress. The pull-tab zipper provides a resealable closure for end consumers, while the heat-seal top ensures an airtight finish when sealed with a compatible sealing machine. Supplied in a pack of 100.