Summary
Stand-up pouches offer a strong display face and can include a zipper. Side-gusset formats provide added volume, while pillow packs align with continuous packing lines.
What happened?
Appearance is not the only criterion. Shelf stability, air release, seals, machine speed and film use should be considered together.
Key details
A simple prototype tested with the actual product gives the best answer, especially for sharp pieces, fine powders or fatty contents.