PE zip lock bags 1.any sizes available. 2.any thickness available 3.3 colors printing available PE zip lock bags1)Material:pure imported LDPE material2)We own advanced international blowing machines ,gravure printing machines, bag cutting machines.3)Features:transparency is good,waterproof, airproof, moisture proof, keep freshness .4)Used widly,such as :FOOD,electric components,medicine,jewelry, ...