Office Supplies › Pendaflex Letter Expanding File - 8 1/2" (215.90 mm) x 11" (279.40 mm) - 13 Pocket(s) - Blue - 1 Each Image 1 of 1 Pendaflex Letter Expanding File - 8 1/2" (215.90 mm) x 11" (279.40 mm) - 13 Pocket(s) - Blue - 1 Each $30.09 Quantity: Add To Cart Added! Polypropylene. Index tabs and labels. Full cover flap features elastic closure. Letter size. SKU: PFX39624BE Polypropylene. Index tabs and labels. Full cover flap features elastic closure. Letter size. SKU: PFX39624BE