Pendaflex 2-Ply Dark Kraft File Folders, Straight Cut, Top Tab, Letter Size, BN, 100 per Box (RK152) Double-ply top dark Kraft file folders with undercut front and scoring for 3/4" expansion. Reinforced tab and folder top provide extra durability and strength. Undercut front to increase indexing area. Scored for 3/4" expansion. Resists smudging and moisture.