to improve various properties of the ink composition in a preferred embodiment of the invention the ink compositions comprise by weight about 18 organic cosolvents about 6 surfactants about 6 mixed organic acid and about 4 dye one or more organic cosolvents may be used to prepare the ink compositions of the present invention in a preferred embodiment the organic cosolvents are water soluble exemplary water soluble organic cosolvents suitable for this purpose include but are not limited to aliphatic alcohols aromatic alcohols diols triols amides ketones polyketones or ketoalcohols nitrogen containing heterocyclic ketones ethers glycol ethers poly glycol ethers alkylene glycols polyalkylene glycols thioglycols containing alkylene groups lower alkyl ethers of polyhydric alcohols and lactams the concentration of the organic cosolvents may range from 0 01 to 50 wt preferably from 5 to 25 wt one or more water soluble surfactants may be employed in the formulation of a vehicle for the ink for convenience examples of surfactants are divided into two categories 1 non ionic and amphoteric and 2 ionic the former class includes the alkyl polyethylene oxides poes alkyl phenyl poes ethylene oxide propylene oxide block copolymers acetylenic poes poe esters poe diesters poe amines poe amides and dimethicone copolyols u s pat no 5 106 416 incorporated by reference herein discusses many of the surfactants listed above in greater detail amphoteric surfactants such as substituted amine oxides or members of the octyl dimethyl glycine family of octylamine choloroacetic adducts are also useful in the practice of this invention cationic surfactants such as protonated poe amines and anionic surfactants such as diphenyl sulfonate derivatives like but not limited to sodium hexadecyl diphenyloxide disulfonate and ethoxylated oleoalcohol phosphate esters may.