Series 300 sketch paper is a lightweight paper with a fine tooth surface suited for classroom experimentation, practice of techniques, and quick studies with any dry media. Each wire-bound pad contains 100 sheets (30 sheets of 18" x 24") of acid-free paper that is micro-perforated for easy removal. Details:WhiteAvailable in multiple sizes50 lb. (74gsm)100 sheets (30 sheets of 18" x 24")Wire boundFor dry mediaAcid free