Auto-Borne Colors perform unlike any other Auto Air Colors. Unlike other colors which are water-based, Auto-Borne Colors are waterborne meaning the colors contain solvent for exceptional performance. Auto-Borne have virtually no tip-dry, superior controlable pull long & continuous lines without skipping or grainy over-spray, work with all airbrush tip-sizes and dry incredibly fast. Auto-Borne Colors are lightfast and durable. Pigments are exterior-grade with a 7 to 8 out of 8 on a Blue Wool Scale (BWS).