Smead Expanding File, Alphabetic (A-Z), 21 Pockets, Letter Size, Navy (70720) Expanding files are ideal for organizing, storing and transporting large amounts of paperwork 21 pockets with alphabetic (A-Z) indexing. Each pocket expands 7/8" Open top design for easy document access Reinforced liner board front and back panels. Full-height gussets are reinforced with tear resistant material at the top for durability. Includes one letter size (12" W x 10" H) 21 pocket expanding file Contains 10% recycled content, 10% post-consumer material and is SFI Sourcing Certified