8oz 12oz 16oz Custom Kraft Flat Bottom Coffee Bags Resealable Coffee Beans Packaging Bag with Valve

Material:kraft paper+VMPET+PE
Featrue:
1.The one-way breathing valve can discharge the carbon dioxide produced during coffee roasting to prevent the bag from swelling. At the same time, it isolates external oxygen, moisture and odors, slows down oxidation, and locks in aroma for preservation.
2.The material we use is the food grade, it is safe for packaging. And it also can be recycled.
3.Surface Effect

Matte, Glossy or UV spot (matte + glossy), If you want your packaging to be glossy, matte or UV spot, all the printing effect can be satisfied.