The Natural Lava Block with wood chews 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. Ideal for Chinchillas, Rabbits or other small animals. Actual size approximately 2-1/4-inch square. Small animal chew toy to satisfy the need to chew and gnaw Made from a unique combination of volcanic rock material and natural wood pieces Aids in keeping pets teeth trim and healthy Actual size approximately 2-1/4-inch square For rabbits, chinchillas, guinea pigs and pet rats 2.5" x 2.5" x 5"