Classification folders offer better functionality than most binders and pocket folders when you need to keep your letter-size business files organized. This document folder functions as the perfect file organizer, complete with tabs on the cover and dividers for easy titling. Tyvek-reinforced expandable file gussets provide maximum durability. 1" size fasteners match the number of folder parts. Folder offers six parts and expands to 3".Classification folders offer better functionality than most binders and pocket folders when you need to keep your letter-size business files organized. This document folder functions as the perfect file organizer, complete with tabs on the cover and dividers for easy titling. Tyvek-reinforced expandable file gussets provide maximum durability. 1" size fasteners match the number of folder parts. Folder offers six parts and expands to 3".