Sunseed chin chew blox are great for chinchillas, rabbits, guinea pigs, hamsters and gerbils. This natural pumice block satisfies the desire to chew while keeping the teeth healthy and strong. Pumice keeps teeth from overgrowing. Takes little cage space. Natural pumice stone block provides an ideal gnaw surface. Lasts longer than wood chews and will not splinter, keeping small pet teeth in top condition. Includes 12 blox per display pack.