Best quality original bright colour paper in 6 shades, thick enough for gluing, taping, painting or writing. Use for making craft portfolio, school projects or even to preserve the memories (like news clippings, stamps etc.). Project book has one Sheet ruled / One plain colour sheet, so that the children can arrange pictures neatly and write about them on the ruled sheets. Acid-free paper that slows shade reversal. The pup is ECF based which reduces toxic effluents