Freeze Dried Liver Treats are made in the USA without additives or preservatives in a USDA inspection facility. Pro-Treat® Freeze Dried Liver maintains the aroma, full-flavor and nutritional value of 100% raw liver.  Fresh, conveniently freeze dried and diced into reward size treats, Pro-Treat® is an excellent reward and training tool. All natural Pro-Treat® has been the preferred choice of trainers for over 40 years due to its convenience and palatability. Our treats contain only one ingredient and are perfect for dogs with allergies or those who are on limited ingredient diets. We guarantee that your pet will absolutely love our treats!