This HP M551 Series Compatible Toner Kit contains one of each toner cartridge: Cyan, Magenta, Yellow and Black. This HP Kit is backed by a 100% quality and satisfaction guarantee for one full year. We welcome volume customers for large commercial use, as well as other clients that need single units for personal, or home use. Shipping: Standard shipping is either UPS or FED-EX ground. If you need priority shipping please contact us.