Bullet points:1, natural ball: this ball is made of 100% pure natural Timothy grass. It does not contain any other chemicals or rayon. This safe toy is perfect for rabbits, guinea pigs, gerbils, hamsters, chinchillas and mice.2, Stress Relief: If your rabbit is left alone for a long time, they will sometimes feel anxious or stressed. Leave the ball in the rabbit's cage and watch them enjoy and relieve stress until you come back.3, Oral health improvement: Rabbit teeth are growing, so they need to chew for oral and dental health. This ball is a safe and cool toy for your rabbit or other small pet to chew on.4, Product Size: About 7.5cm/2.95in diameter for cats, rabbits, hamsters, gerbils and birds. You can wear them to chew and play.5, Environmentally friendly material: The materials used to make this ball do not cause any harm to the environment. Naturally biodegradable and much better than other plastic or artificial bunny toys. Specifications:Name: Timothy Grass Chewing Ball Material: GrassPacking List:1*Grass Chewing Ball