1 Quart of Restoration Shop Acrylic Urethane Auto Paint Color Only. No hardener is included with this gallon of paint color, but hardener is required to be mixed with the paint color before it can be sprayed or used..AU paint color has a 4 to 1 mix ratio when it's used with along with the hardener. The required 1 Half-Pint of AU4001Wet-Look Urethane Hardener is not included but is available separately or in kits along with the AU paint color. AU Paint is 2.8 VOC when used as packaged, as no reducer is required (optional reducer sold separately)..The Restoration Shop (AU) Acrylic Urethane System is a High-Performance Professional Easy-To-Use Single-Stage High Gloss Paint Coating System that is Designed for Overall Automotive Refinishing but is also used as a Fleet and Industrial Equipment Coating..AU is an easy to spray fast-drying topcoat system that provides a long-lasting and very high gloss finish result. AU is a very durable, chemical and solvent resistant coating that also resists chipping, cracking, and UV ray fading..Our superior coating products only use the highest quality ingredients, which allows our customers to achieve consistent, high-quality professional results on all their painting projects!