Pendaflex® Brown 3-1/2" Expansion Letter Size File Pocket Is Built Tough For Travel And Provide A Greener Choice When You're Committed To Eco-Conscious Office Supplies. The Pockets Make Sure Your Important Documents Are Safe From Harm During Transit, So You Arrive Prepared To Work. Expandable To Fit Extra Paperwork. Gusseted Sides Expand As Your Project Grows.