Okidata 5100 Glossy Toner Refill Kit 4 Pack for C5100 C5150 C5200 C5300 Printers Kit comes with 4 Bottles, Easy Instructions, Funnel Cap, Latex Gloves if needed; Toner Wipes Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more Product is guaranteed to be same quality print, Bottle size may vary BUT gram load is always the same Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you