... ALFunction: damproof, lightproof, air-barrierType: packaging bag, frozen food bags, vacuum bag, side seal/bottom sealing/ the envelope, zipper ... bag, Aluminum foil bags, retort pouch, stand up pouch et.Printing: Non-toxic inkUsage: food packaging, candy, tea, beverage, garment ... , chemical productsSGS.QS: ISO:9001:2000Output: 4000 ton/year tea packaging bag