Shop At 247 &reg; Remanufactured Ink Cartridge Replacement for HP 56 + 57 (3 Black, 3 Color, 6-Pack) Shop At 247 brand cartridge is sold exclusively by Shop At 247 Shop At 247 offers One-Year Warranty against defects Shop At 247 offers 180 Days Money Back Guarantee Black: Up to 450 Pages at 5% Coverage; Color: Up to 400 Pages at 5% Coverage These replacement cartridges were professionally manufactured in an ISO 9002 factory