Smead® Dark Brown 3-1/2" Expansion Pocket File Pocket 9-1/2" X 11-3/4" Is Designed To Be Extra-Wide, Allowing For Most Standard-Size File Folders To Be Held Within. Gusset Is Fully Lined With Tear-Resistant Tyvek. It Also Has Special Rollover Reinforcement At The Top And Extends Into The Front And Back Panels Twice As Far As Standard File Pockets.