Made in USA - Proudly produced in Ohio by a Veteran-owned business Durable translucent cover Wire-O Bound Computation Lab Notebook Page Dimensions: 9 1/4" X 11 3/4" - 1/4" (6 mm) grid format Lab Notebook with 100 pages in 1/4" (6 mm) Quadrille Ruled format Reorder SKU: COMP-100-CWG-A-(Lab) These professional grade Notebooks - Scientific Grid Format notebooks are the same books used by the nation’s most innovative companies and research institutions. These books are designed to provide the opportunity to professionally record and preserve data.