Packaging pouches, are a big family, including zipper pouch, stand up pouch, retort pouch etc. Stand up pouch can also be vacuum pack bags, retort pouch ,zipper pouch etc. Often stand up pouches have a bottom gusset, so that the pouches can stand up. The materials of packaging bags have lots of kinds, such as according to your requirement, we have materials of high temperature resistance, corrosion resistance and anti-aging etc for you to choose. Sizes, printing design, shape are also customized by you. Welcome to contact us any time.