What kind food bowls do you use?

Stainless steel for my guys, the 3 bigger dogs need theirs elevated and its a bit hard to elevate anything other than SS. The cat has plastic, it is all she will use. The little dogs free feed out of a SS bowl, but at night get a small SS bowl each for dinner.

Well Alaska and Georgia have a thing that makes the bowls go up higher so they do not get bloated but the bowl is metal. Buddy has a non-stick bowl.