2 Pack. Refurbished cartridges for HP 27 HP 28. Includes 1ea HP 27 Black + 1ea HP 28 Tri Color. Sophia Global Cartridges are manufactured in an internationally certified ISO 9002 factory. Sophia Global Cartridges come with a 100% 180 day money back guarantee and technical support. Manufactured to produce excellent color matching for vibrant photos and crisp text and have a shelf life of 2 years. Page Yield: 220 Black 190 Color Accurately displays ink level.