NATIONAL Analysis Pad, 8 Columns, Green Paper, 11 x 8.5 Inches, 50 Sheets (45608) Glued binding 3-hole punched to fit 3-ring binder 40 numbered lines; 8 columns Green eye-ease paper Vegetable oil-based ink on acid-free paper Side Punched Analysis Pad with glued bond and flexible cover Printed in reproducible, non-smearing ink on non-glare, Eye-Ease green paper Acid-free, archival safe Numbered lines and columns, 8 columns, 50 sheets per pad 11 x 8-1/2"