Promotes Healthy Feeding! Available in 2 sizes, 8" or 12", elevated feeders minimize digestion and bloat problems, as well as, strains on joints and muscles. Features include a spill ridge that keeps food and water off of the floor, no-slip rubber feet, a self watering feature that provides continuous fresh water by removing the bowl and attaching a 2-liter bottle (not included) to the base. Each feeder comes with 2 dishwasher safe stainless steel bowls. The 8" feeder has 1 1/2 quart bowls and the 12" has 2 quart bowls. Feeders are made with quality, heavy duty HDPE plastic.