Size: 8. 3 x 11. 7 Inch. Canson 180 degree Art Book has an extremely sturdy stitch binding that allows this book to lay completely flat when open. This book also features: quality French sketch paper that does not contain OBAs (optical brighteners), an elegant magnetic closure, and rounded corners. Each pad contains 80 sheets of 65 pound/96 gram acid free 8. 3 x 11. 7 inch paper.