Tamper evident resealable tub Single ingredient 100% pure beef liver sourced and produced in USA Grain free, gluten free, hormone free with no preservatives or artificial colors or additives Nutrient rich liver is an excellent source of low carb lean protein A healthy treat for dogs with food sensitivities or those on a limited ingredient diet The enticing aroma and real liver flavor make pro-treat liver treats a high value reward dog treat Made with 100% pure beef liver High in protein Contains no preservatives or additives No refrigeration required Preferred choice of trainers for over 30 years