Package contains 1 Black toner cartridge with a page yield of 40,000 pages at 5% coverage.|USA made! MSE has designed and manufactured more than 400 custom fixtures, machines and tools to produce superior products right here in the USA.|MSE products are always consistent quality, typically cost 15-40% less then OEMS and yet have equal performance.|The use of MSE's cartridges will not void your printers warranty.|MSE is voted industry’s Best in Quality for 7 consecutive years.|MSE product also comes with a 3 year warranty!|MSE’s color matching toner formulations ensure proper image matching and accurate color density without hazing or backgrounding.