BOSNY SPRAY PAINT NO. 4 FLAT BLACK ( 300 GRAMS PER CAN ) QUICK DRYING LACQUER SPRAY Spray paint, also known as aerosol paint, is paint that's stored in a pressurized container and dispensed using a valve to release a mixture of paint and a propellant, usually pressurized gas or compressed air. The result is a fine, even mist that is easily applied to a variety of surfaces.