BookFactory Black Engineering Notebook/Graph Paper Notebook, 168 Pages, 8 7/8" x 11 1/4" (.25&rdquo; Lab Grid Format), Black, Smyth Sewn Hardbound (LIRPE-168-LGR-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) grid 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.