... , LLDPE , MDPE etc , eco-friendly materials. Name Heat seal bag for food Size/thickness Against to customer’s requestsMaterialAgainst ... receive down paymentApplicationSuitable for facial mask packingFeature1.Moisture proof2.Heat seal, strong sealing strength, non-breakage, non leakage3.Colorful ... : Stand up bag, 3-side sealing bag, zipper bag, middle heat sealed bag, side/bottom gusset bag, spout bags ...