Art Portfolios are next big thing in art and photo storage! The archival art portfolios are the only storage and presentation book of its kind. Completely, acid-free and PH-neutral through its polypropylene, PVC-free construction and quality crafted, acid-free black mounting paper, the Art Portfolios are archival safe for all your art storage needs. They are also great for class, studio, presentation, events and display purposes in show or exhibitions. They come in book forms or carrying storage portfolios in various sizes for easy transportation.