Com-Art Artist Colors are non-toxic and ready to use specifically formatted paints for airbrush use. Com-Art Colors never need to be filtered or strained. All airbrush colors are not the same. Com-Art is considered to be one of the finest and most versatile professional airbrush colors in the world. Because of a common hydro-carbon base binder, Com-Art transparent and opaque colors can be used together without bleeding between colors. This non-toxic, ready to use paint is specifically formulated for use with an airbrush and never needs to be filtered or strained. Com-Art colors are heavily pigmented and light fast, allowing for accurate 4 colour separations. They provide superior atomization, smooth spraying, and they dry instantly.