Poly desktop file stands on its own and offers index dividers to organize files into subcategories. The 12 clear index dividers divide the file into 13 letter-size pockets with clear insert tabs. Expanding file includes colored tab inserts printed with alphabetical and monthly headings. Durable polypropylene material is wear-resistant, tear-resistant and water-resistant. Desktop file is also acid-free and archival-safe. Secure your letter-size documents with the flap and elastic-cord closure. Desktop file also includes two clear pockets on the front with an index card insert.