Itoya PU-24-9 Art Profolio Professional Polyglass 9x12in. Art 24 Pocket Pages for 48 Views Black Durable modern textured cover All books feature permanently-bound spines with 24 pocket sleeves for 48 views. Exclusive PolyGlass pocket sheets; crystal clear clarity unlike any other Acid free and archival safe Style and Clarity for Serious Artists and Photographers