Adorable toy reduces negative behaviors resulting from anxiety or loneliness through natural instinct, not through medication.Recreates intimacy with physical a simulated heartbeat which eases crying, loneliness and separation anxiety in pets.Pulsing heartbeat lasts up to two weeks of 24/7 use with two AAA alkaline batteriesSticker design makes the toy more safer for puppy to snuggle. Easy to clean, the plush toy is machine washable with the heart removed.All For Paws Puppy Behavioral Aid Dog Toy Heartbeat pillow is designed to help your dog cope with everyday stressors. This comforting toy recreates the intimacy that your nervous pup craves in times of stress due to loneliness, fear and separation anxieties. This stuffed animal behavioral aid also features a real-feel, pulsing heartbeat and heat source that works to calm your pup and reduce negative behaviors such as barking and whining. You can switch the heartbeat function on and off as desired.