Save time and money with the new HP No. 81 Dye Multipacks, which are now available for the HP Designjet 5000/5500 series printers. Each multipack consists of three of the respective ink cartridges in the same color in one single box – convenient for you to use. At a price reduction averaging 20% over the same ink cartridges sold individually. The 3 pack consists of three 680 mL ink cartridges of the same color.