Foil bags (moisture-proof bags, aluminum bags, vacuum bag, moisture-proof vacuum bag, static bag, large-scale three-dimensional bags, etc.): Large four-dimensional moisture-proof bag Description: Large four-dimensional moisture-proof bags (commonly known as aluminum foil bags, plastic bags, vacuum), the material is generally PET / AL / CPE or PET / NY / AL / CPE. which PET-- printing effect is good, NY-- low oxygen permeability, AL-- strong barrier, opacity, CPE - Packaging lining. 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 sealability. 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 trademark, anti-static signs. Applicable to the needs vacuum packaging, electronics, communications, defense industry ... and other products. (Dimensions, specifications can be customized according to customer demand)