The plush toy is made of super soft, safe and skin-friendly fabrics. The heart sound toy provides the best companionship and comfort for the dog during the night, and effectively reduces anxiety and fear in the dog. We relieve the dog's various anxiety by simulating the companionship scene by simulating a heartbeat. Puppy behavior training aid toy reduces negative behaviors resulting from anxiety or loneliness through natural instinct. Powered by 3 AAA batteries (not included), press and hold the button for 5 seconds to turn on the machine, and can be easily replaced when needed. It can be machine washed with the heart removed. The toy recreates that intimacy with physical warmth and a pulsating heartbeat that feels real, providing an additional source of comfort for your pet. The soft puppy toy helps reduce anxiety for your pets. Perfect for new puppy owners and helps ease your puppies into a new home. Specifications: Material: Plush Size: Size: 37x13cm/14.57x5.12inch Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping Package Contents: 1pc Puppy Heart Sound Toy