Smead Poly Desktop Expanding File, Alphabetic (A-Z) and Monthly (Jan.-Dec.) Colored Tab Inserts, 12 Pockets, Letter Size, Black (70845) Expanding files are ideal for organizing, storing and transporting large amounts of paperwork 12 pockets with clear indexed dividers. Each pocket expands 7/8" on both top and bottom. Extra-long flap folds down to create a sturdy base for this self-standing desktop organizer Flap with hook-and-loop closure adds protection and security, allowing you to take your files where ever you go Constructed with extra durable poly materials that are material that is tear and water resistant. Acid free and PVC free. Includes one letter size (13" W x 9-1/2"H) 12 pocket poly desktop expanding file. Comes with alphabetic (A-Z) and monthly (Jan.-Dec.) colored tab inserts.