To produce similar effect of shrink wrapping but using a pre-made bag which only needs to be sealed on one side.
Bags may be printed for advertising the product or products inside.
Sometimes used to bundle multiple products together that would be difficult to shrink wrap using roll film on a bar sealing machine.
Generally longer than wide with three sides closed and one end open for filling bag
Measured as Lay Flat Width (LFW) x Cut Length (CL)