Large-format quadrille pad: Includes 22 sheets of 4x4 graph paper in a roomy 17 x 11 inch size—great for bigger diagrams and layouts. 4 squares per inch grid: The 4x4 (4 squares/inch) pattern is ideal for note taking , technical work , and engineering drawing . Thick paper, clean results: Made with thick paper to help prevent bleed-through , so you can use both sides with confidence. Sturdy cardboard backing: Features a hard, sturdy cardboard back for stable writing support on desks, tables, or on-the-go. Easy tear pages: Top perforation provides easy, clean tearing when you need to remove a sheet neatly.