Detailed illustrations of rockets, flight profiles, and equations are intricately layered in black and white on this cobalt blue hardcover notebook. Dimensions: 7" x 9" Page Count: 192 pages (96 sheets) Paper Type: 5mm Dot Grid Paper Weight: 81 gsm Binding: Lay-flat Hardcover Paper Composition: 100% recycled Printing: Soy-based ink Generation: 4th