Keep track of your lab work with this efficient, yet affordable, notebook. The sheets are center sewn for permanence, and the laminated, oversize covers protect the sheets from damage. Paper is smooth 15# white tablet, ruled in a 5 x 5 graph pattern. Pocket-Sized Indicator: No; Book-Binding Type: Sewn; Book-Binding Details: Casebound; Book-Binding Edge: Side.