A possibility was born the day you were born and it will live as long as you live. – Marcus Solero Inside: The world is better because of you. Happy birthday. Celebrate the most important people in your life with the best-selling Positively Green line of cards, which feature beautiful illustrations, thoughtful quotations, and a helpful green tip. 5.38″ H x 4.5″ W Envelopes are plain white Printed with soy ink on Forest Stewardship Council® certified 100% recycled stock Each card features a different environmental tip on the back