Pendaflex SureHook Extra Capacity Reinforced Hanging Folders feature longer plastic hooks with built-in tension springs that help keep files on track. The pressboard-reinforced insert allows them to expand 2" for up to 400 sheets. Durable 11 pt. covers won't buckle under pressure. Includes an 8.5" x 11" printer-ready label sheet and clear tabs for placement in 5 positions. Paper made from 10% recycled fiber with 10% post-consumer fiber. Letter size. Assorted colors: Blue, Yellow, Red, Bright Green, Orange. 20 per box.