The Happy Birthday to the Happy Camper Greeting Card is cheerful and outdoorsy, perfect for hikers, campers, or anyone who loves a weekend under the trees. Greeting Card Details: Size: A2 (4.25" x 5.5") folded greeting card. Material: Printed on smooth white card stock paper that is thick and durable providing a premium feel to the card. Each card includes a matching white square flap envelope. Origin: Proudly printed in the USA