Good Boy Tough & Tasty Chicken Mini Knots. A Complementary Pet Food For Dogs. A Healthy Rawhide AlternativeMade from Collagen, these Tough & Tasty Chicken Mini Knots are the perfect treat to keep your dog busy for a while. With a tough texture coated in super tasty real chicken, not only will this chewy treat provide great chewing fun but the natural abrasive action of chewing will also help reduce plaque and tartar along the way! Ingredients Refine Collagen (64.3%), Chicken Breast (30%), Corn Starch, Glycerin, Chicken Liver, Salt. Nutrients Percent Crude Protein 80% Fat Content 3% Crude Ash 2% Crude Fibre 1.7%