Organize your day, your thoughts, or just practice your lesson using the dry erase surfaces inside these new composition books. Two dry erase surfaces, located inside the front and back covers, provide exciting new ways for your student to learn, engage and have fun. These black, marble, hard cover composition books come in either wide (3/8") or college (9/32") ruling with red margins. Each book includes 100 sheets/200 pages. Recyclable.