Durable Paper: quality paper with double sided printing, long lasting for book reading needs. Unique Bookshelf Shape: intricately created bookshelf shapes with classic elements including cats, rulers, alarm clocks, globes, pencils, Christmas tree, enhancing reading experience. Ideal Gift: thoughtful gifts for readers of all ages, suitable for birthday, graduation, festival, school season. Diversified Usage: track reading progress, plan reading time, suitable for classroom activities, reading clubs, parties, school activities, family dinners, theme parties, reading sharing meetings, also applied as classroom rewards to stimulate children's reading interest. Weight: 0.59 pounds.