Easily protect artwork for a professional presentation. It's also easy change your presentation - simply slide your artwork into the transparent polypropylene sleeves. Cover is made of durable black polypropylene with a customizable spine label. Each pocket page is permanently attached and lies flat while open. Acid-free, archival quality, black mounting pages in each of the 24 sleeves. 48 pages of viewing. Fits documents measuring up to 18x24".