Wish they held up longer. They do crack down the sides ever so often, the rings rust (black and silver), the bolt rusts and you can't the screw off, have to install with them still sitting on flat surface or they tip one side or the other. If they offered replacement ring holders only, it could give them longer shelf life for me personally. Since the bowls do outlast the holder.
I do still like the bowls. For small animal use like rabbits they can't be chewed, affordable, and faster to remove and replace....until the rings begin to rust then the bowl's won't go in and out of the rings without a fight.