What’s the function of a self-standing pouch?

Self-standing pouch is a bag that is not easy to deform and can be placed vertically. The scope of application of self-standing pouch:
(1) Daily chemicals (laundry detergent, softener, various supplementary bags)
(2) Pet food (dog food, cat food, etc.)
(3) Food (puffed food, rice, dried fruits, chestnut bags and other cooking self-supporting bags)
(4) Health products (tea, powder particles)
Features of self-supporting bags:
(1) Good standing
(2) Good pressure resistance and leakage resistance
(3) Strong impact resistance
(4) High-temperature resistant cooking

At present, the materials of self-supporting bags mainly include:

1. ONY/LLDPE
2. PET/AL/LLDPE
3.  PET/ONY/LLDPE
4.  PET/CPP
5.  ONY/CPP
6.  PET/VMPET/LLDPE