Pendaflex Dark Kraft File Folders with Double-Ply Top, 1/3-Cut Tabs: Assorted, Letter Size, 0.75" Expansion, Brown, 100/Box - Designed to stand up to frequent handling—perfect for papers your reference constantly. Reinforced tab and folder top provide extra durability and strength. 11 pt. Kraft stock offers extra resistance to smudging and moisture. Undercut front to increase indexing area. Scored for 3/4" expansion. Acid-free.