Ampad Gold Fibre Graph Pad - 50 Sheets - Both Side Ruling Surface - 16 lb Basis Weight - Letter - 8 1/2" x 11"8.5" x 11.8" - Canary Paper - Heavyweight, Chipboard Backing, Mediumweight, Pinhole Perforated, Watermarked, Smooth - 1 / Pad Quadrille pad contains medium-weight, 15 lb. paper. Printed with 4 squares per inch on both sides. Ideal for drafting, plotting and scale drawings. Pad contains 50 sheets.