Graph Paper 11x8.5 pad (55 sheets): Includes 55 sheets of Graph Paper 11x8.5 , 3-hole punched quadrille (4 squares per inch) paper. Clean, organized layout: This graph paper is ideal for note taking, charts, and clear layouts for school or work. Great for technical work: Perfect as engineering paper for technical and engineering drawing, diagrams, and drafting. Helpful for math: Use as math paper for graphing, plotting points, geometry practice, and calculations. Also works as grid paper: The quad-ruled format makes it easy to use as grid paper for planning, sketches, and structured notes. Thick, double-sided use: Thick paper helps prevent bleed-through and can be used on both sides for added value. Sturdy writing support: Hard, sturdy cardboard back provides reliable support for writing anywhere. Easy tear pages: Top perforation allows for easy, clean tearing when you need to remove a sheet neatly. Binder-ready filing: Fits standard ring binders or pocket folders with fasteners for simple organization.