Pouch styles include

Side gusset bags needs K seal on the bottom of the seal because

k seal helps bag to stand as it makes the bottom flat.

K seal also gives strength to the bottom seal so in drop test

the bag do not gets burst if proper k seal is applied.

Side gusset bags are one of the old style packaging.

These bags are mainly used by different industry professional

like pharma, food, fertilizer, non food, bakery,

dog food, coffee, tea etc.