▲Cover material: 157 coated paper plus 2mm grey board▲Cover size: 157*209mm (A5 size)▲Number of inner pages: 80 sheets*160 pages▲Inner page paper: 100g beige writing paper (100g eye protection paper (thickened)▲Inner page options: blank page/lined page/dot matrix page▲Hardcover with rounded corners, sewn binding, high-definition printing