water pouch

The tube package is called the sour milk stick,the stick sour bag,and the stick sour,the different shape bag,the sour milk different shape bag,the liquid bag,the milk bag,stand up bag,the fruit strip,the milk membrane,cola bag and so on.
Product usage: The tube package is a type of plastic bag with the different shape for milk,yogurt, juice, beverage, jelly or other liquid drinks.