Sun Seed Company Sss39400 12-Pack Chinchilla Wood Chew Blox Display 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 And Takes Little Cage Space Natural Pumice Stone Block Provides An Ideal Gnaw Surface Includes 12 Blox Per Display Pack