A folded section of a bag or pouch that can expand to create additional volume, shape, or a standing base.
Why buyers encounter it
State where the gusset is located and how its dimension is measured. A finished sample or drawing prevents ambiguity.
Buyer diagramReference diagram for gusset.
Use the term carefully
This definition helps interpret a packaging conversation. It does not establish a complete film structure, machine setting, regulatory conclusion, shelf-life result, or approval for a particular application.
Research source: PC-071. Application-specific details remain subject to manufacturer and technical review.