Gigablock Bulk Continuous Ink System (CIS) for HP Design Jet 111 Printer that is used in HP82 & HP11 cartridges Refillable ink cartridges/ink reservoirs enable countless refills Pre-filled with 165ml x 1 color (Black : Pigment based ink) and 100ml x 2 colors (Dye based ink) and 125ml x 1 color = 490 ml of premium ink Quick and Easy installation. You will be printing in minutes. 80% Saving on individual Inkjet Cartridge. Auto-reset chipsets reset the cartridges so there is no need to utilize a chip resetter nor take the cartridges out of the printer