TOPS Cross Section Pad, 1 Pad, 4 Squares/Inch, Quadrille Rule, Letter Size, White, 50 Sheets/Pad, 1 Pad (35041) 20 lb. bond paper printed on both sides of sheet Heavy blue lines every inch with faint blue lines in between - 4 squares per inch Phantom rule does not reproduce when photocopying Glue-top construction for easy sheet removal Single pad with 50 letter-sized sheets