FEATURES: Fuel-Proof, Water Based Formula For Easy Clean-Ups. Many Colors For Painting Slot and R/C Car Bodies, Plastic Models. Pinewood Derby Cars, Boats, Scenery, Signs and Ceramics. It remains flexible and resists cracking, chipping and impact damage. Can be used with any airbrush that delivers over 40 to 70 psi, and Uses a MEDIUM tip.