We acquired THESE when we had been feeding "Local community" cats plus they ended up quite practical. I know they're plastic, but I was considerably more worried about preserving the ants out with the food than I had been with the fabric of your bowls. I even now use these https://petshopdubaisheikhzayedro75320.sharebyblog.com/35329365/the-smart-trick-of-fish-food-that-no-one-is-discussing