Use color to coordinate classify.Specially formulated for smooth writing.Strong chipboard backing.Microperforated for easy sheet removal.Backing: Chipboard 60 pt.Binding Edge: Top.Binding: Heavy-Duty Stapled.Lines Per Page: 28.Number of Sheets per Pad: 50.Pad Type: Ruled.Paper Color: Canary.Preprinted: Dove Gray Head Strip.Punched/Unpunched: Unpunched.Ruling: Legal.Sheet Perforation: Microperforated.Sheet Size: 8-1/2" x 11-3/4".