Happy Birthday Greeting Card from Tree Free. Words inside the cards read: Dream Big! Happy Birthday. Vibrant colours and art are found on the cover and on the inside of the card. The cards are made of hearty uncoated, 100% post consumer recycled paper. They feel right since they are so much kinder to the environment than traditional greeting cards. Sold as single card with matching envelope. Each card measure approximately 12.5x17.5cm (5x7 inch).