NotePro Quad Notebook, Data/Lab-Record Format with Narrow and Quadrille Rule Sections, Black Cover, (96) 9.25 x 7.25 SheetsRight side is quad ruled; facing page ruled for notes. Includes colored adhesive labels to customize index and covers. Hardcover notebook with twin wire binding. Microperforated pages. Double sided pocket. Right side is quad ruled; facing page ruled for notes. Durable hard cover provides increased writing stability. Twin wire binding allows book to lie flat when open. Includes colored adhesive labels to customize index and covers. Double sided pocket.