Inside: There’s so much to celebrate! Congratulations. 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. Size 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