1)Waterfast and lightfast 2)Weter-based ink 3)C,M,Y,K,LC,LM,G,O,LK, ... /Color 1)Never jam the nozzles2)full compatible with all Epson printers3)Water-based inks are factory directly sell4)Environmentally friendly5 ... printing cost7)High Quality for Dye and Pigment Ink8)High level in chemical stabilization, quick dying property, optical activity resistance,waterproofness ...