We purchased THESE when we ended up feeding "Group" cats plus they have been really handy. I'm sure They are plastic, but I was much more worried about retaining the ants out of the food than I was with the fabric with the bowls. I continue to use these for https://hectoryynao.webdesign96.com/35989930/the-smart-trick-of-fish-food-that-no-one-is-discussing