Boorum & Pease Special Laboratory Notebook, Record Ruled, Black, 150 Pages, 10-3/8" x 8-1/8" (L21-150-R) Laboratory Notebook simplifies the process of keeping accurate records Each record-ruled page features 45 lines, space for a project name, notebook number and signature, witness and date fields Includes table of contents pages and a place-marking ribbon Black hardcover with sturdy red spine and corners with premium white, acid-free paper 10-3/8" x 8-1/8" Size; 150 numbered pages