... up pouch 2.material: PET/AL/PE 3.with tear notch laminated material spice bag Material StructurePET/PE, PET ... /AL/PE, PET/CPP, BOPP/PE, BOPP/VMPET/PE, PA/PE, etc.Product typeThree side seal bag ... , central seal bag, gusset bag, film roll, etc.UsageCoffee, tea, ... Leaakage and non-breakage laminated material spice bag