" At Hi Life we know how important your relationship with your dog can be. Regular grooming, exercise & a tasty, balanced diet are part of that relationship. But so is recognising when he deserves a treats. Not all treats are the same. Hi Life Special Care Munchy Rollers have been developed to allow you to treat your dog with complete confidence. They can help promote dental health, are lower in fat than many other leading treat brands & are wheat-gluten free.