Size5 mm in diameter, with 3 different colored balls: yellow, blue and pink _x000D_ MaterialMade of high quality EVA silicone, which makes it scratch-resistant, strong and durable, as well as safe and non-toxic. _x000D_ Creative DesignWhen your cat touches or hits the ball, the ball will make animal sounds to attract cat's attention. Pink is bird song, blue is frog song, and yellow is cricket song. _x000D_ Keep Your Cat HealthyRolling and calling this ball will interest your cat, stimulate hunting instinct, help your cat exercise more, enhance immunity, reduce obesity and keep your cat entertained_x000D_at the same time. Can stay healthy. _x000D_ Enhance RelationshipWhether you're a kitten or an old cat, our toys offer a fun way to exercise. Interactive toys can enhance the interaction between you and the cat. It will also bring you more luck and_x000D_of relaxation. Build trust and friendship between you and your cat. _x000D_ _x000D_ Product Information: _x000D_ _x000D_ Colour: blue/pink/yellow _x000D_ _x000D_ Weight: 55g _x000D_ _x000D_ Size: ball diameter 5 cm _x000D_ _x000D_ Safe material: high quality EVA silicone, don't worry about scratching _x000D_ _x000D_ _x000D_ _x000D_ Properties: _x000D_ _x000D_ Adopting high-quality EVA silicone material, it is safe and non-toxic, and it is not easy for cats to bite when playing. _x000D_ Three balls of different colors, if you have more than one cat, it is a very good choice for you. _x000D_ Built-in high-sensitivity sound, the cat's claw will touch slightly and make a sound. _x000D_ The toy ball simulates real animal sounds and stimulates the cat's hunting nature. _x000D_ Open the lid of the ball and add some catnip _x000D_ The rolling and calling of this ball will keep your cat interested and more active. _x000D_ _x000D_ _x000D_ Precautions: _x000D_ _x000D_ In order to ensure the storage of electricity, the toy has a disposable insulating sheet, and the transparent insert must be unplugged first when playing. _x000D_ To prevent cats from accidentally eating electronic components, this product's battery is non-replaceable. After the toy is turned on, it can make about 10,000 calls. _x000D_ If any part of the ball is broken or severed, do not play with your pet.