Kunst & Papier Stitch Bound Hardcover Sketchbook - Black 8-1/2 x 6 Inches - These books are stitch bound (not glue bound), allowing you to flip pages and spread the book out flat without having the binding crack. 176 acid free pages. The paper inside is off-white and weighs approximately 60 lbs. Made in Germany, with meticulous attention to quality and detail. This book is bound on the short side, so it opens the long way. Black matte hardcover.