The Pet Zone Original No-Slip Stainless Steel Dog Bowl is made of a high-quality, heavy-duty stainless steel, which will not harbor bacteria or leach toxic plasticizers or colorants like plastic. The permanently-bonded rubber ring on the base of this dog food bowl helps prevent sliding, skidding, tipping and noise while your pet is eating. Plus, this dishwasher-safe pet food bowl/pet water bowl is quick and easy to clean..