BookFactory Blue Lab Notebook - 168 Pages (.25" Grid Format), 8 7/8" x 11 1/4", Blue Cover, Smyth Sewn Hardbound Laboratory Notebook (LIRPE-168-LGR-A-LBT1) Hardbound book with durably coated, blue imitation leather cover and stamped with "LABORATORY 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