Purse dogs rejoice! The original and BEST travel mug for dogs, now comes in a size that works for even the smallest pups! Public water bowls can contain harmful pathogens, travel water bowls are an inconvenience to use. The AutoDogMug® is the first and only, one handed hydration system for dogs. Squeeze and water fills the bowl for your pup to drink, release and the remaining water returns to the bottle. 7 1/4 inch tall, holds 15 oz.