Youva Combined Practical Book is designed for students to record science practicals, experiments, observations, diagrams, and classroom notes in an organized way. It contains 84 pages with a one-side ruled and one-side plain format, making it convenient for writing on one side and drawing diagrams or illustrations on the other. The 21.5 × 26.5 cm size provides ample writing space, while the durable soft cover makes it suitable for regular school and academic use.