1 OEM printhead+3 Eco-Saver tank with new chip, equal to 3 HP 67xl Bk Cartridges, Premium 3YM57AN (HP 67X) High Yield Black Inkjet Cartridge fully compatible with the HP ENVY 6055, 6052, 6058, HP Envy Pro 6455, 6475, 6452, 6458, 6454, HP DeskJet 1255, 2755, 2752, 2732, DeskJet Plus 4155, 4152, 4140. The use of compatible supplies does not void your printer warranty. Product Detail Ninestartechonline.com