Fish skin donuts: the natural and smart treat for your dog Reward your dog with a healthy and delicious snack with our 100% cod skin donuts. Crunchy, low in calories, and high in protein, they keep your companion busy while promoting dental hygiene. Thanks to their unique shape, they ensure prolonged chewing and lasting enjoyment. No additives, no compromises, just natural happiness! Suitable for dogs of all sizes. Try them now!