Cheerful birthday card set features 20 designs—including cupcakes, cats, party hats, balloons, rainbows and more—embellished with die cut details, embossing, glitter, and metallic foil. Assortment includes 20 cards (1 of each design) and 20 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 greeting cards are made with paper from well-managed forests.