Features: 1.Anxiety Relief: Puppy toys for small dogs designed with dog's shape can help puppies relieve separation anxiety and loneliness in the absence of companion, make it feels comfortable even in complex environments, such as transitaion to new home and in travel. 2.Realistic Heartbeat: With real smoothing heartbeat and soft plush gives dogs a sense of security, anxiety toys for dogs can help them adapt new environment quickly, reduce puppies' barking and crying, sleeps deeply in new home. 3.Built Intimate Relationship: Dogs like to live in groups and cuddle with their friends, hence the dog plush toy with heartbeat, and the scene of companionship to helps establish an intimate relationship with pets. 4.Detail Design: Made of soft, comfortable, skin-friendly plush material, and the inside is filled in soft polypropylene cotton, the heart beating dog toy is safe for your puppy. And the belly pocket is closed with a zipper to prevent heart falling from the body. 5.Package Included: Product include a puppy toy with heartbeat and a heartbeat simulator needed 2 AAA batteries, but not included. The plush toy can be can be machine washable after remove the heartbeat simulator. includes: 1 x Puppy Toy