<b>Package Included:</b> Compatible 45488801 Laser Printer Toner Cartridge (4-Pack, Black)<br><br><b>High Page Yield:</b> More 20% Than Others (up to 18,000 Pages Yield Per Imaging Cartridge)<br><br><b>Texts-Clear, Photos-Vivid, Lines-Consistent</b><br><br><b>Compatible for:</b> Okidata B721 B721dn B731 B731dn Printers<br><br><b>If Item Defective, 18 Months Shelf Life, 24 Months Product Warranty, 100% Customer Satisfaction Service</b>