Cheerful birthday card set features six colorful, foil accented designs that kids and adults alike will appreciate. Assortment includes 36 cards (6 of each design) and 36 envelopes. Each design contains a unique birthday sentiment inside. Never miss another birthday! Keep birthday cards on hand all year with a single box. Great for office or classroom use. Assorted birthday cards measure 4" x 6". Printed on high quality paper stock, Hallmark's stationery is made with paper from well-managed forests.