The Natural Lava and Wood Chew Toy features a unique combination of volcanic pumice 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. Ideal for Chinchillas, Rabbits or other small animals. Actual size approximately 9-1/2-inch long and 2-1/2-inch wide.