Heavyweight, solid, premium stainless steel dog bowls. Bonded Non-skid Rubber bottom prevents sliding. Heavy Gauge Stainless Steel is dishwasher safe. Highest Blend of Chromium for strength & Nickel for durability / finish. Inside High Gloss Finish is Easy to Clean & absord odors. Out side Matte finish resists scratches Stainless Steel Resist Bacteria, Stains, rust and breakage.