Spectra-Tex Airbrush Colors™ are highly pigmented, professional grade and ready to use. Spectra-Tex Colors can be used on a variety of surfaces including: fabric, wood, canvas, paper, clay etc with permanent results. An array of vibrant colors were specially formulated with the unique needs of the professional airbrush artist in mind. All Spectra-Tex Airbrush Colors™ are water-based, non-toxic and meet ASTM D-4236 standards. Spectra-Tex Colors offers 72 unique colors in a number of finishes including Transparent, Opaque High Hiding, Neon Fluorescent, and Metallic.