Features: Novel design that can be hung in a cage for molars, toys or decoration, colorful, loved by parrots. This grind stone has a hook design that can be hooked in the cage at will, your little pet will bite on its own. Made of natural calcium volcanic rock and is completely safe to chew and promotes clean and healthy teeth. This parrot molar grid stone is made of high quality materials and is naturally durable, make pet grind teeth more convenient. Specification: Color: Random color. Material: Volcanic rock. Size: 5.23x1.77inch/ 13.3x4.5cm. Package Included: 2 x Parrot Grinding Stone.