Chroma polyurethane airbrush paints have been specifically designed for airbrush use by wildlife carvers. They are acrylic based, concentrated fine pigmented paint designed for fine art, decorative art, and wildfowl art. Pre-mixed with flow medium and matte varnish producing the correct viscosity making these paints ready to used directly in your airbrush. The highly concentrated colors use a polyurethane binder and provide a velvet matte finish. All bottles have a flip top lid allowing you to place a few drops directly into the reservoir of any airbrush. Chroma airbrush paints are fully compatible with Jo Sonja's acrylic paint. All colors dry to a velvet matte finish. These paints also work well for hand brushing. Cleans with soap and water. Size; 2 fl. oz. bottle.