
High Quality Wholesale Black Flat Bottom Zip Foil Food Grade Coffee Bag for Gift Packing. Multi-Layer Protection: Food-grade composite materials block light, oxygen, and moisture to preserve aroma. One-Way Degassing Valve: Releases CO2 without letting air in, paired with a resealable zipper. Custom Sizes Available: Flexible sizing options to meet specific packaging requirements. Custom Colors Available: Wide range of color choices to match brand identity. Custom Thickness Available: Adjustable thickness levels for optimal durability and cost. Custom Logo Printing: Professional flexo and rotogravure printing for sharp, vibrant branding. Odor-Resistant: Material prevents external odors from affecting the product inside. Moisture-Proof: Superior barrier properties ensure contents stay dry and fresh.