This pillow offers the calming feeling of maternal warmth and softness coupled with a heartbeat to help soothe your pet. Stress-relieving, comforting, and sleep-inducing. Curb unwanted barking and calm your pet at bedtime! Simulates the softness of the mothers coat Microwaveable for 60 seconds, holds heat for 20-30 minutes! Auto shut off after 12 minutes Convenient and easy to operate Machine Washable Batteries included.