This design combines a drinking trough and the cup.  It has a convenient  one-handed operation, making it easy for the owner to feed thier pet water without leaking when inverted  360 degrees. With a 300ML water capacity and O-shaped drinking trough design, this device is suitable for all kinds of dogs.  Add to this the ability to keep a little kibble snack and have your poo bags handy makes for a convenient carry all!