The biosafe puppy bone is a more hygienic toy for your pet and your family this germ smart dog toy is biocote protected biocote is an anti microbial technology which prevents the growth and survival of microbes including bacteria mould and fungi lower levels of bacteria means this dog toy has improved hygiene reduced staining and odours and slower degradation of materials its constructed out of tough yet soft plastic which is treated with a mint scent it even floats too