4-pack Acco Flex Poly Translucent Binders, 1 Inch Capacity, Letter Size, Round Ring, Extra Large Pockets, Blue, Green, Purple, Red color may vary 1" Round Ring Binders with Extra Large Interior Pockets Fashionable Translucent Colors Holds up to 220 sheets, Two interior pockets each hold 15 sheets; Opaque covers Non PVC polypropylene material is durable yet lightweight and flexible Non PVC polypropylene material is durable yet lightweight and flexible