Cheerful birthday card set features four cheerful Snoopy designs, perfect for Peanuts fans of any age. Assortment includes 12 cards (3 of each design) and 12 envelopes. Each includes a unique birthday wish, with plenty of room to write your own happy message. Never miss another birthday! Keep birthday cards on hand all year with a single box or buy in bulk for a lifetime of happy birthdays. Birthday cards measure 5" x 7.2". Printed on high quality paper stock, Hallmark's eco-friendly greeting cards are made with paper from well-managed forests.