Retort pouch - Providing a high barrier impervious to air, water, and moisture entering, as well as to prevent oxidation; Exceptional mechanical properties such as bursting strength, puncture resistance, and tear strength; Resistant to high temperature up to 121°C and low temperature down to -50°C, with better performance of oil resistance and flavor retention. The retort bags are non-toxic and odorless, in compliance with the requirements of food and drug packaging hygienic standards. The retort pouch packaging is heat sealable and flexible.