Deli Bags Large: Zipper bag, portrait style
(Used for sizes 12 - 18 or 2 x smaller promo chickens)
Deli Bags Small Landscape: Zipper bag, landscape style
(Used for chicken sizes up to 18)
Deli Bags Premium Landscape: Slider bag, landscape style
(Used for chickens up to 20)

The chicken sizes listed above are to be used as a general guideline only

Different bags can be used for different purposes other than just size.
E.g. portrait style bag could be used for standard chickens and small landscape for organic chickens.
This allows for correct differentiation at the register