Kids love being recognized on their birthdays, but with so many students in your elementary school classrooms, it's not always easy to celebrate every student's big day. These 2 1/2" x 7" Happy Birthday Bookmarks are quick and easy ways to acknowledge all the birthday boys and girls in your class or school. Bookmarks come in packages of 30 with 15 each of two colorful, age-appropriate designs your kids will love.