This is a 13.5 ounce bottle of T.A. Emerald Nitro Clean. NitroClean is the ideal electronic cleaner for nitro powered on road and off road RC cars. It is specifically formulated to effectively remove dirt, dust, oxides, fluxes and other contaminants in helping to achieve the optimum level of surface cleanliness. NitroClean's performance characteristics include excellent cleaning properties, high forcefulness spray, and 100% evaporation rate, leaving zero residue. Plus, NitroClean is safe on plastics.