OurPets® Stainless Steel DuraPet Cat Dish&trade is made of durable long lasting stainless-steel bowl that offers a healthy alternative to plastic. To prevent skidding we added a permanent bonded ring to the bottom This patented skid-proof design prevents sliding & tipping during feeding time. Dishwasher-safe for easy cleaning. Rust resistant hygienic and doesn¿t hold odors. The low shallow design helps prevent whisker fatigue a stressful & painful condition when your cat's sensitive whiskers brush up against the side of its feeding or water bowl.