The stainless steel ashtray is made of high-quality stainless steel, the high temperature resistance makes it perfect for the work of the ashtray, the corrosion resistance makes it intact in heavy rain, and the delicate and smooth surface ensures that your hands will not be scratched. The large ashtray uses appropriate materials and thicknesses, the weight of the ashtray is 175g, which is enough weight, not affected by wind and rain, and enough to deal with the bad weather outdoors. The outdoor ashtray have 3 grooves, which can temporarily hold the cigarette. Dishwasher cleaning is not recommended as some dishwasher salts are very corrosive and can even corrode stainless steel.