Offset printing milk box Corrugated boxes are a commonly used packaging solution offering a good balance of strength and cost-effectiveness. Product detail Corrugated boxes are a commonly used packaging solution offering a good balance of strength and cost-effectiveness. Outer Liner: The is defined by the required appearance and suitability for printing and graphics. Fluted Paper: This is the inner layer that forms a wavy or corrugated pattern and provides strength and rigidity to the cardboard. Inner Liner: This is defined by the required bending and stacking strength, Available in a wide variety of board grades and flute combinations Manufactured bespoke to customers requirements Available for manual or automated packing lines Full range of barrier coatings are offered to improve performance in the supply chain High-quality print for optimum presentation Additional features, including die cutting, are available