Record your notes in this permanently bound composition book. Paper is smooth, 15 lb. writing paper with wide-ruled blue lines and a red margin line. Covers are a flexible white board so notebook is great for backpacks and are printed in the traditional black marble pattern. Each book is produced with center-sewn and tape-bound construction, not designed for sheet tear-out. Sheet size is 7" x 8-1/2". Each book contains 36 sheets.