BookFactory Red A4 Lab Notebook - 96 Pages (5mm Grid Format), A4-8.27 x 11.69 (21 cm x 29.7cm), Red Cover, Smyth Sewn Hardbound Laboratory Notebook (LIRPE-096-4GR-A-LRT1) Hardbound book with durably coated, Red 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 (5 mm) Scientific Grid format Page Dimensions:A4 - 8.27 x 11.69 (21 cm x 29.7cm) with 5mm format Features a "User Data" page, a "Documentation Guidelines" page, and a "Table of Contents" page