Double Gray Cardboard, also known as Double Gray Industrial Board, is an environmentally friendly packaging material made from recycled waste paper. The product features include: environmental protection - As a recycled paper product, Double Gray Cardboard exhibits excellent environmental performance, aligning with the green development trend of modern packaging materials. Both sides are gray - The cardboard has a gray appearance on both sides, with a generally flat and smooth surface, and clear patterns. Good stiffness - Compared to some lower-grade Double Gray Cardboard, it has better stiffness, suitable for packaging products with specific stiffness requirements. Printability - The surface of Double Gray Cardboard is flat, suitable for printing, and can be used to produce various printed packaging products.