So I have had this for about a year . I thought it was copper , it’s not , not saying it was advertised as that , don’t recall . Nice birdbath but it is time consuming  to clean . Instead of just dropping it on the holder you have to spin the bath on a screw top till it’s secure . So with water in it it is inconvenient to remove the water and spin it till it’s free of holder. Also tge edges are somewhat sharp , I imagine hard for birds to perch on