Jack Wolf is real food, 100% natural and free from grains, additives, preservatives and fillers - making it ideal for dogs with allergies or sensitive stomachs. They only use human grade ingredients in their meals and offer a wide variety of nutritionally complete choices to keep your dog interested. Jack wolf is sold in frozen 500g tubs and if defrosted overnight can be stored in the fridge for up to 4 days. It is also suitable for all life stages and dog breeds. it is definitely a firm favourite with Pip, our in house taste tester!