Double thick front and back panels with heavy reinforced liner board for added durability.
Tear resistant reinforcement at the top and bottom for extra strength.
Gussets extend into front and back panels twice as far as standard files.
Choose from alphabetic (A-Z), daily (1-31) or monthly (January-December) preprinted indexes.
Paper contains 30% post-consumer recycled content, 30% total recycled content.
Heavy-duty expanding files are virtually indestructible.