Mr. Color 189 - Flat Base Smooth. Mr Color paint, suitable for hand brushing & airbrushing, with good adhesion & fast drying is one of the finest scale modelling / hobby paints available. Solvent based acrylic, thin with Mr Color Thinner or Mr Color Levelling Thinner. 10ml screw top bottle. Continental US Shipping Only, ground transport only. No Expedited shipping.