The colored inner paper is Cradle to Cradle Silver certified. The cover was made from 100% natural recycled cardboard and finished with a fine hot foil. A highlight is the open, handmade thread binding that holds the index pages of the inner block firmly together. 160 pages of space for important notes, ideas and drawings. Five colored registers offer structure on matte uncoated paper in delicate shades. Gmund Papier stands for high-quality design paper from ecological production - since 1829. Over 190 years of paper culture and high-tech company. Made in Germany.