2 Black Ink Cartridges Compatible for HP 934XL 935XL Ink Cartridges : Package Contains (Compatible): 2x Replacement for HP935XL Ink Cartridges Black0x Replacement for HP935XL Ink Cartridges Magenta0x Replacement for HP935XL Ink Cartridges Cyan1x Replacement for HP935XL Ink Cartridges YellowCompatible Printer: Officejet Series:Officejet 6812Officejet 6815Officejet 6820Officejet 6825Officejet Pro Series:Officejet Pro 6830Officejet Pro 6835Officejet Pro 6230Product Features : ·Premium Quality: Easy to Install. Smooth printing without clogging. Clear printing quality and vivid color. ·Save Your Money: High capacity ink at a fraction of the cost. Prints more pages than original manufactured brand. ·100% Compatibility: Adopting the lastest smart chips. Shows accurate ink level. Printer Recognition without problems. ·Cost Effective: Great value 934XL ink cartridges with reasonable price for daily use ·Safe Package: The new mould uses different design with better sealing property. Never worry about the leakage on your hands, desk and carpet.