This quad-ruled watermarked pad with a heavyweight chipboard back features smooth paper. The paper accepts porous inks better than most grades of paper. Printed on both sides with nonreproducible blue ink. Pad Type: Quadrille; Sheet Size: 8 1/2" x 11 3/4"; Ruling: Quadrille (4 sq./in.); Number of Sheets per Pad: 50.