These Artist Series Universal sketch sheets are micro-perforated for a neat, clean edge wherever you go. The versatile, rough surface features a fine texture that works well with a variety of dry mediums, and each sheet is erasable and smudge resistant. This convenient pad is wire bound with an extra-heavy chipboard back for mobile stability. Details:Available in multiple sizes65lb/96gsm6 sketch pads100 sheets per sketch padAcid free