1.Used for seal of pe carrier plastic bag 2.Size:12mm/6mm 3.Any more size are customized 4.Nonpoisonous,harmless,no metal PERMANENT SEALING TAPE is suitable for seal of OPP and PE express bag , The funtion :destroy the bag , destroy quickly. There are two kinds : one is normal , it is fit from 5°C to 60°C;another is cold resistance , it is fit from -5°C to 50°CSpecifications :Basic material of ...