- Designed to provide the best companionship and comfort to pets, and effectively reduce their seperation anxiety - With a heartbeat device reproducing the vibrations and sound of the mother’s heartbeat - Adorable design with ultra soft plush, makes it a perfect cuddle toy for puppies - Heartbeat device works with 2 AAA batteries (not included) 15 X 9.1 X 7.1 Inch / 38 X 23 X 18 cm