Fastener folders feature EverFile manila paper that resists the growth of bacteria, mold and mildew. EverFile is also an acid-free, archival-quality paper that makes it the ideal solution for long-term preservation of documents that need to stand the test of time. Durable, 22 point covers withstand heavy use and include 2" embedded fasteners to secure your letter-size documents. Rip-proof, reinforced Tyvek gussets expand up to 2" with your files. Fastener folders also offer 1/3-cut, top tabs in assorted positions.