The material is generally PET / AL / CPE or PET / NY / AL / CPE. Which PET-- printing effect, NY-- low oxygen permeability, AL-- strong barrier, opacity, CPE-- package layers. Glue: water-soluble glue (more health, environmental protection, no solvent residue) This product has a good anti-static, oxygen barrier, shielding, moisture, shading function and excellent heat sealing. The product according to the special requirements of various industries, without changing the product performance, an increase in anti-static function, printing product descriptions, company trademarks, anti-static signs. Applicable to require vacuum packaging, electronics, communications, defense and military ... and other products. (Dimensions, specifications can be customized according to customer demand)