Koh-I-Noor Bristol smooth bright White paper pad with "in & out pages" is traditional 270 gsm Bristol smooth paper with a bright White surface for high contrast artwork. Smooth surface is perfect for fine detailed work. Bristol pad is dual loop, wire-bound construction and features “in & out” pages (patent pending) that allow you to remove sheets from the pad for drawing, reworking, scanning, and more. Upon completion, simply Return the sheets into any other Koh-I-Noor or Grumbacher wire-bound pad. Made in USA. 270 gsm, 5.5 x 8.5 inches, side wire-bound, 20 sheets per pad.