Bestowed with high quality, the Print File 2X2-20B (500) Slide Pages are the ideal solution for archiving. It is ideal for holding twenty 35mm mounted transparencies. Moreover, each slide is provided with an I.D. strip that helps in conveniently cataloging and also in the retrieval of the pages with easy identification. Made of high quality polypropylene, these pages are acid free and do not contain any harmful ingredient that might cause any damages to the negatives or transparencies. Ensuring safety and protection for the pages for years, these PAT passed pages are also highly reliable for archiving.