Lingding smoke oil is high purity smoke oil which can quickly decomposed into smoke, almost all drops could be evaporated by the heating machine without leaving residue. And the smoke color is pure white, odorless, non-irritating, non-toxic, stay long in still air, clear visibility under the irradiation. It can be used on all kinds of electric nebulizer, also for toys, smoke generators, smoke machines and other. We meet European and American safety standards, providing a variety of packaging requirements!