The Natural Lava 'n Wood Chew Toy features a unique combination of volcanic rock material and natural wood pieces. The lava and wood materials help keep pet's teeth trim and clean while encouraging healthy activity. Simply hang the toy in your pet's cage and watch as they chew and play the day away! A unique combination of volcanic pumice rock material and natural wood pieces Lava and wood materials help keep pet's teeth trim and clean Includes natural wood hook for hanging Actual size approximately 9-1/2-inch long and 2-1/2-inch wide For Chinchillas, Rabbits and other small animals