3 different kinds of paper in one convenient pad! Smooth tracing paper, light-medium weight sketch paper and high-quality thick watercolor paper will cover all your artistic needs. Standard size pad is ready for your extraordinary art! Smooth binding on top means that pages are easy to remove cleanly. WE GIVE BACK: 5% of profits are donated to Art Feeds International Program that gives art lessons, teacher training and art supplies to kids in need around the world.