The OfficeMax 2 Pack Expanding Extra Wide File Pockets 5.25" Brown Wallets are durable file folders made of brown fiber. These pockets are designed to stand up to daily use and have a sheet size of Letter. The pack includes 6 pockets, each sold as a 2 pack. With a sturdy cardboard construction, these file folder frames by MyOfficeInnovations are perfect for organizing and storing important documents in an office setting.