Strathmore Tan Toned Sketch Pad paper is perfect for light and dark media including graphite, chalk, charcoal, sketching stick, markers, china markers, colored pencils, pens and white gel pens. Pad is made of 100 % recycled material containing 30% post-consumer fiber and is wire bound with actual size sheets when removed at microperforationor trimmed at the wire binding. Pad measuring 9 x 12 in. contains 50 sheets of 80 lb. basis weight paper.