What is Stand up spout pouch? 

It refers to a flexible packaging bag with a horizontal support structure at the bottom and a suction nozzle at the top or side; Its self-supporting structure can stand without any support whether the bag is opened or not. The production of self-supporting bags originated in France. It was widely recognized in the American market in the 1990s and then popularized all over the world.Stand Up Spout Pouch

The Stand-up spout pouches can be conveniently put into the backpack or even pocket, and the volume can be reduced with the reduction of contents, making it more convenient to carry.

Stand Up Spout Pouch (2)