Excellent Heat Seal.
Excellent Gas Barrier feature (O2, N2, CO2 etc.)
Good to keep the fragrance like coffee, perfume etc.
Tensile strength gives toughness not to tear to keep the inner product.
By product's property , you can add the Gas or deoxidant for long preservation.
Nice Freezing and Heating Residence allows freezing, Cold
and sterilization of it at 80℃ for 30min.