Sketch paper is a lighter weight paper that is great for experimentation and practicing of techniques. 300 Series is a quality sketch paper for the student and beginning artist at an economical price. These papers come in a lighter weight with a toothy finish and are suited for classroom experimentation, practice of techniques, or quick studies with any dry media. A lightweight, acid free sketch paper suited for classroom experimentation, practice of techniques, or quick studies with any dry media. Acid Free. Size: 11"x14", Sheets: 100, Type: Side-Spiral.