BookFactory Lab Notebook/Laboratory Notebook - Professional Grade - 168 Pages, 8" x 10" (Ruled Format) Cover is Black and Burgundy Imitation Leather, Smyth Sewn Hardbound (LRU-168-SRS-A-LKMST1) Hardbound book with Imitation Leather Cover and Foil Stamped Borders and Foil Stamped Title LABORATORY NOTEBOOK Smyth sewn -- book lies flat when open Page Dimensions: 8" X 10" (20.3cm X 25.4cm) Compare to Boorum & Pease L21-150-R, FSC certified, archival quality, acid-free paper in 1/4" (6 mm) scientific ruled format Features a User Data page, a Documentation Guidelines page, and a Table of Contents page BookFactory is a Veteran-Owned Firm certified by the VA. We Proudly Produce Our Books in Ohio, USA.