Sold as 4000/Carton. Perfect for documents with a crisp, professional look. 500 sheets per ream, 8 reams per carton, 4000 sheets total. Designed to run in all types of printers and copiers. Paper weight: 24 lbs. Forest Stewardship Council (FSC) certified by NEPCon. Sheet dimensions: 8.5'W x 11'L. Features ColorLok Technology. Extra white 97 brightness. 99.99% jam free on high-speed digital equipment.