The 3 side seal pouch is sealed on 3 sides and folded on 1 side. It has similar shape with 4 side seal pouch. Compared with the 4 side seal pouch, the advantage of the 3 side seal pouch is that you can make full use of the inner space of the pouch by expanding it after it is produced. This kind of packaging bag is suitable for packing large volume products.
This kind of pouch is suitable for packaging of products with small weight which is usually lower than 50 g. It is mainly used for the food packaging industry for products such as flavorings, coffee, and some spices.If you want to produce 3 side seal pouch, we recommend the following vertical packaging machines: