Sold as 10/Box. 25 pt. pressboard in dark blue. Covers are made from 60% recycled fiber with 30% postconsumer fiber. Includes one 17 pt. kraft divider and four 2' embedded fasteners. Divider is made from 10% postconsumer fiber. Letter-size papers will stay organized while still remaining accessible, with the spine expanding up to 1.75'. 10 per box. Features a standard 2/5-cut blank top tab right in the center.