The healthy, all-natural reward PHA Natursnack for dogs are mini bones from PetVet GmbH. PHA natural snack for dogs – Ideal for on the go: crumbly and non-greasy Unless otherwise prescribed by the doctor, PHA natural snack for dogs should be used a few pieces at a time, depending on the size of the dog. Recommended intake: It is recommended to give a few pieces of PHA NaturSnack several times a day as a reward in addition to the main food. PHA natural snacks for dogs – buy them cheaply and easily online at DocMorris. Mini-bone has a beige color. Ideally, store mini bones away from direct sunlight. The storage temperature should be room temperature.