Wolf of wilderness freeze dried premium dog snacks are tasty snacks made with 100 pure pure beef liver chicken hearts fillet of salmon or lamb lung the treats are also 100 grain free the freeze drying process ensures that these delicious dog snacks retain all their great flavour and vital nutrients the extremely long and very slow drying process extracts all the moisture from the snacks this gentle process means that there is no need for artificial colours or aromas your dog will love t