Mini Marble Composition Books, Thread Bound Notebooks, Red, Blue and Green, 12-ct, 600 Total Pages by Greenbrier 12 - Mini Marble Composition Books (4 packs of 3) 50 narrow-ruled, thread-bound pages, each. (total 600 pages) Book Size: 4.5" x 3.25", 4-Red, 4-Blue, 4-Green On-the-go notebooks fit comfortably in a backpack, purse, or pocket Order today - Satisfaction Guaranteed!