The thick, natural rubber of these Kong Dental Toys provides dogs with a real chewing workout. Revolutionary design makes toy bounce unpredictably in every direction. Stuff with peanut butter or treats for even more fun. Also, Try Ice Cubes,  you will entertain your pet for hours.  Non-splintering, non-abrasive, and does not get sharp when chewed.  We buy in bulk, so no packaging will come with this product.