Extra-sturdy file folders feature two built-in, super-thin fasteners, specially designed to take up less room in the file cabinet. 2" capacity fasteners in positions No. 1 and 3 also securely hold papers in the folder. Heavyweight rigid pressboard offers exceptional durability. Reinforced, rip-proof tape gusset bottom offers more strength to hold your documents. 1/3-cut tabs are in assorted positions for easy file retrieval. Acid-free fastener folders are made of 25 point stock.