These fun educational coloring books are a perfect way to help your child have a good time while learning an important lesson. This particular lesson: the importance of immunization! Each one is made of 5pt Bulky Newsprint, perfect for crayons, with 16 pages, plus the 50 lb. offset cover. Each one can take a color imprint with your company’s logo and information. Blank sets can be sold, with a minimum quantity of 150 pcs.