OUR PETS - Durapet Bowls - 3 QuartDESCRIPTION Unlike plastic bowls that may harbor bacteria or leach toxic plasticizers and colorants when they come in contact with food, Durapet Bowls are hygienic and will prove more economical in the long run when compared with plastic dishes. Durapet Bowls are made of the highest quality, heavy, solid stainless steel. They have durable, permanently molded rubber rings on bottom of the bowls. So the rubber ring sticks to floor, providing stability