Water soluble acrylic colours for modelling and hobby. Life Color is excellent for paint brushing or airbrushing on plastic, resin, metal, vinyl, wood, cloth and ceramic. This set includes UA 731 Dirty Black, UA 732 Vulcanized Rubber, UA 733 Tyre Black, UA 734 Worn Black, UA 735 Deep Cockpit, UA 736 Burned Black. Using LifeColor: Clean surfaces to be painted. For airbrushing, dilute the colour to a milky consistency using water or LifeColor Thinner. Airbrush at very low pressures. Apply colour in thin coats with a brush or airbrush. Allow to dry completely between coats.