Pendaflex Smart Shield Fastener Folders, Letter Size, Manila, 1 Inch Expansion, 2 Embedded Fasteners (24931AM) Fastener folder is made with a material that inhibits the growth of mold and mildew to protect the product Tyvek reinforced spine expands 1 Inch with your project Two 2 Inch embedded fasteners secure documents; 1/3-Cut tabs in assorted positions Heavyweight 22 pt. Manila; Letter Size; Box of 25 Paper made from 10% recycled fiber, with 10% post-consumer fiber