The smart sipper auto drinker is a great way of making sure that your dog can always stay hydrated even when you're not on hand to fill up his water bowl yourself. This drinker's sure grip claw feet make sure that your dog will not be able to push the water bowl across the floor as he takes a drink. Dogs need to drink plenty of water to stay healthy and making sure that your dog has a ready supply of water on hand is essential to keeping him well hydrated.These bowls are filled from the top to ensure that the water cycle remains fresh with older water being dispensed first.