- Designed to provide the best companionship and comfort to pets, and effectively reduce their separation 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) 10.6 X 7.48 X 6.1 Inch / 27 X 19 X 15.5 cm