Spectrum Dye work as a great colorant in 2-part resin and UV Resin! Can’t quite get the tone right with dispersions colors? Add just a drop at a time of Spectrum Dye to adjust the color and get the perfect shade! These dyes aren’t as transparent as alcohol inks, yet not as opaque as dispersion colors. Non-toxic and alcohol free. 0.35 oz of dye per bottle.