K9 Connoisseur Beef Marrow Large Dog Bones Long Lasting for Aggressive Chewers - USA Made Single Ingredient Champ Bones for Large Dogs Over 50 Pounds - 3 PackBrand: K9 Connoisseur Features: ALL NATURAL: Single ingredient no preservatives additives artificial flavors or colors Non irradiated NUTRITIONAL: A low calorie high protein nutrient packed healthy alternative to processed artificial treats RESPONSIBLY SOURCED: From cattle born and raised in the USA no questionable sourcing means a bone you can trust LONG LASTING: Made with real marrow and hickory smoked meaty bits that your dog will love for hours