HouseOfToners Compatible Ink Cartridge Replacement for Lexmark #100XL 14N1068 (2 Black, 2-Pack) All cartridges are manufactured to meet ISO 9001 certification standards Contents: 2PK Lexmark #100XL (14N1068) Black Ink Cartridges Page Yield: 510 pages (page yield measured at 5% page cover of standard 8.5x11 sheet) | Shelf Life: 36 Months We ship within 1 business day via USPS First Class, USPS Priority, or UPS Ground 100% Satisfaction Guaranteed with 1-year replacement policy