Speedy Inks - 4PK Remanufactured Replacement for HP 98 C9364WN & HP 95 C8766WN Ink Cartridge Set: 2 Black & 2 Color Set Includes - 2 x HP Black 98 (C9364WN) & 2 x HP Tri-Color 95 (C8766WN) Ink Cartridges Page Yield Black - 350 Shelf Life - 12-18 MonthsPage Yield Tri-Color- 420 Shelf Life - 12-18 Months Black Cost Per Page - 2.85Tri-Color Cost Per Page - 2.62 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty