Your Pet Is Family. Phiten, the brand worn by millions of people around the world, is now available for our four-legged friends. Featuring Phiten’s Aqua-Titanium® technology, the Pet Series is designed with your dog or cat in mind. Inspiringly designed and crafted, the Pet Necklace will help make any pet stand out from the crowd. Well suited for both indoor and outdoor wear, the Pet Necklace follows your furry friends anywhere they go, so show your pet you care with Phiten.