Do you know the Vacuum bag

Vacuum bags, also known as personal moisture-proof bags, Aluminium foil bag, aluminum-plastic composite bag, the material is generally PET/AL/CPE or PET/NY/AL/CPE. Which PET-printing effect, NY-low oxygen permeability, AL-strong barrier, opaque, CPE-the inner package. Glue: Water-soluble glue (more hygienic, environmental protection, solvent-free residue).food vacuum plastic bag has good anti-static, oxygen barrier, shielding, moisture, light shading and excellent heat sealing