BookFactory Black Engineering Notebook/ Graph Paper Notebook - 240 Pages (.25" Lab Ruled Format), 8 7/8" x 11 1/4", Black Cover, Smyth Sewn Hardbound (LIRPE-240-LLR-A-LKT4) Hardbound book with durably coated, black imitation leather cover and stamped with "ENGINEERING NOTEBOOK" Smyth sewn -- book lies flat when open, professionaly bound. Tamper-evident, archival quality, acid-free paper in 1/4" (6 mm) ruled format Page Dimensions: 8 7/8" x 11 1/4", Features a "User Data" page, a "Documentation Guidelines" page, and a "Table of Contents" page BookFactory is a Certified Veteran-Owned Firm. We Proudly Produce Our Books in Ohio, USA.