Itoya Art Profolio 8.5" x 11" Professional Presentation Display Book: Style and Clarity for Serious Artists and Photographers. Profolio Professional features a luxurious and durable leatherette cover, exclusive PolyGlass pocket sheets with crystal clear clarity unlike any other. Pages are supplied with a thick gauge black, acid free mounting paper. Itoya Art Profolios are acid free and archival safe.