【Thick Cardboard】 Ryohaku Shiroryu F (650g/m2) 0.96mm (Composition) Uses high-white recycled paper and pulp for the front and back layers, and general recycled paper for the middle layer. (Features) Uses fluorescent paint on both sides to emphasize whiteness. It is a white chipboard on both sides. Both sides have the same texture. (Uses) Various packages, stationery, Due to its strength, it can be used for glued boxes. (Recycled Paper Content) 85% (Size) 224 x 309mm (Quantity) 25 sheets