It is not easy to choose a 4 side seal pouch package or 3 side seal one for unique customer’s product,now let us have some hints below to introduce this two packages for everybody references:

1.Four side seal package means the packing way that 4 sides of pouch heat sealed after machine bag forming,commonly find in small granular and small volume liquid packaging pouch.It looks relatively beautiful.The disadvantage of 4 side seal packaging pouch is its inner volume is small by its whole perimeter sealed tightly,the room utilization rate in pouch is low and not useful for big size product.

2.Three side seal pouch is a packaging way that 1 pouch side film folded and other 3 sides heat sealed,its advantage is the pouch inner volume would be much bigger than 4 side seal pouch,the room utilization rate much higher and suitable for more bigger packages.The disadvantage is 1 side of pouch not sealed but folded,so someone may think it not as beautiful as 4 side seal pouch,while different persons have different opinions.

Below is our company two types pouch photos: