I do know they're plastic, but I used to be a lot more concerned above holding ants out of the cats' food than I used to be about the fabric in the bowls. I nonetheless rely on them for drinking water for my (indoor) cats. LillysMom March 22, 2019 I https://lanedltcj.bloggazza.com/34463936/the-single-best-strategy-to-use-for-amazon-pets-uae