Classic Moleskine Notebooks have a bound cardboard cover with rounded corners, a bookmark and an elastic closure. An expandable inner pocket made of cardboard and cloth contains the Moleskine history. The acid-free pages are thread-bound and are either plain, ruled or grid. The Pocket Notebooks measure 3-1/2" x 5-1/2" and the Large Notebooks measure 5" x 8-1/4". The pocket sketch book is a portable 3.5 x 5.5 inch journal, with a durable thread-bound binding that opens flat and offers 80 heavyweight acid-free paper pages. WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.