Features: 1. Lovely shape and delicate appearance, can be used to grind teeth, so that the pet's life will be more comfortable and happier. 2. Function: entertainment, decompression and grinding teeth for small pet 3. Applicable to: hamsters, chinchillas,Guinea pigs and other small pets Parameters: 1. Size ( the diameter of the ball ): about 6.5 cm ( 2.56 in ) 2. Material: wood Note: Avoid placing it in high temperature and humid place Packing List: 1 * small pet toy