The Gobble Stopper effectively slows down feeding by up to 500%. Gobble Stopper helps stop the gulping of food, thus avoiding vomiting, choking, and bloating (#2 health risk for dogs). The unique canopy design forces dogs to eat underneath. The Gobble Stopper is available in three different Sizes (Small, Medium, and Large). The Strong Suction Cup bottom with easy lift tab makes for easy application and removal. The Gobble Stopper can turn ANY bowl into a slow feeder. The Gobble Stopper is Top Rack Dishwasher safe. There is no longer a reason to carry large bulky slow feeding bowls that take up space. The Gobble Stopper is Patent Pending.Small – up to 6″ diameter bowlsMedium – 6″ to 8″ diameter bowlsLarge – for 8″ diameter bowls**Note: Gobble Stopper does not come with a bowl, and can be used with any standard dog feeding bowl.