Karma cat toys are fun your cat can sink their teeth into, all the way to the gums. These Nepali toys are made of a blend of all natural Himalayan and New Zealand wools, and using AZO free, non-toxic dyes, the lanolin-rich wool naturally attracts your cat and is anti-microbial and odour resistant. And wool's rough fibers scrapes plaque off your cat's teeth promoting dental health.