For artists who demand vibrant color and consistent results. Air-Opaqueâ„¢ offers an exciting range of pre-reduced, colorfast, waterbased, non-toxic colors, pearlescent colors and the option of mixing pearlescent white with any colors to create a pearl effect. Used by illustrators and fine artists, they are formulated for use with air brushes, technical pens (not recommended with pearlescents), and paint brushes for use on paper, illustration board and canvas. Air-Opaqueâ„¢ is formulated to make clean up of tools quick and easy.