White Back Duplex Board is a type of container that can hold liquids since it has a water-resistant liner on the inside. It may have a waxy texture. Because this sort of card is employed in the food sector, the recycled card is not used in its production. White Back Duplex Board is coated with a high-quality substance that adds strength and durability. For high-value product packaging, this is a more expensive paper board. It is ideal for covering high-quality products.