What’s the film materials of 320 grams salt self-standing doypack pouch? Ivy Wang July 18, 2025 July 18, 2025 No Comments on What’s the film materials of 320 grams salt self-standing doypack pouch? If you are looking for the film materials of a 320g stand-up pouch for salt, read this. Hoping it could provide you useful help. Enjoy!