Pro Art Graphing Paper is a high quality, 20 lb. bond paper with non reproducing blue grid. Isometric pattern forms a 60° grid of small triangles, which are arranged in groups of six to make hexagons. This paper is ideal for three-dimensional drawing, writing, and triangle point embroidery patterns. Details: White with non-reproducing blue grid 8.5" x 11" 20 lb. / 75gsm 50 sheets Tape-bound Acid-free, neutral pH paper Ideal for 3-D drawing, writing, and triangle point embroidery patterns