Description:1. Heart beat toy for pets is made of soft and comfortable plush PP cotton 2.When leaning on toy, the pet will feel soft and warm as mother arm Specifications: Name: Heart Beat Toy for Pets Style: Dog, Lamb, Hippo Size : 20 x 35 x 18cm/7.87 x 13.78 x 7.09 inches Material: High quality plush PP cotton, Built-in heart beat, Heating stone Features: Companion/Pet Stress. Relieves anxiety / Winter heat retention Target Cats, Dogs, Sleeve and other pet batteries: 2 x AAA (sold separately) How to use: Put the heating stone in the microwave Product List: Plush toy x 1, Heart Beat x 1, Heating Bag x 1, Product color may vary depending on lighting effects and shooting angle; Please be aware that product size may vary