Aluminum Foil Coffee Bag
Aluminum foil coffee bag made of PET, AL, and PE has an aluminum foil layerinside. Thus, it hasexcellent barrier property, including moisture proof performance. Also, you canchoose other metal layer which requires low cost. The unidirectional valve canbe furnished to exhaust carbon dioxide inside and prevent the light, air fromoutside, thus maintaining the fresh flavor of coffee.
:CF-27