4 pack of refurbished cartridges for HP 56 and HP 57. Includes Sophia Global Brand cartridges for 2ea HP 56 + 2ea HP 57. 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: 450 Black 400 Color Accurately displays ink level.