Accon can offer you co-extruded PE plastic that is common to the PE-sacks. The co-extruded sack is popular where you want to achieve different properties on the sacks inside and outside.
A product that is sensitive to light may have a black interior of the sack in order to achieve the best properties for packing and storage.
To be able to offer a sack to print logotype or information about the product on the outside of the sack, then a white exterior is recommended. With a co-extruded sack you get both properties in a sack. The same property can be obtained in a co-extruded sack if special requirements on density of oxygen transmission is necessary.