The most popular sketch pad from Strathmore is the 400 Series recycled sketch paper pad. Each heavyweight sheet features a fine tooth surface that is ideal for experimentation or perfecting techniques with any dry media, including pencil, charcoal, sketching stick and pastel. Each wire-bound pad contains 30% post-consumer fiber and sheets are micro-perforated for easy removal.Details:WhiteAvailable in multiple sizes60lb/89gsm12 pads (100 sheets per pad)Acid freeWire bound, microperforated30% post-consumer fiberFine tooth surfaceFor use with dry media