Alvin 1430-15 Quadrille Paper 10x10 Grid 100-Sheet Pack 17 inches x 22 inches 20 pounds . basis, acid-free, versatile layout bond, printed with a non-reproducible blue grid on one side. Smooth opaque surface, suitable for pencil or ink with good erasing qualities. Laser, copier, and inkjet compatible. Commonly used by draftsmen, architects, and engineers for plotting graphs, drawing diagrams, statistical data, etc. 10x10 grid. 100-Sheet Pack, 17 inches x 22 inches .