Wilson Jones Side-Bound Punched Columnar Pads - 50 Sheet(s) - 11" x 8.50" Sheet Size - Green - 50 / Pad 41 numbered lines and 2 columns per sheet; 10,000,000 units per column Alternating shaded columns for accurate decimal placement Green tinted sheets printed on both sides with green and brown ink Both sides are ruled alike Prepunched with 3 holes