Ampad will donate 4% of the proceeds to the National Breast Cancer Foundation.Smooth heavyweight 20-lb. paper.Microperforated for clean 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: Pink.Preprinted: Breast Cancer Awareness Pink Head Strip.Punched/Unpunched: Unpunched.Ruling: Legal.Sheet Perforation: Microperforated.Sheet Size: 8-1/2" x 11-3/4".