NutriChomps Advanced 2.5" Chicken Wrapped Knots are 100% rawhide-free dog chews. Wrapped with 100% real chicken, NutriChomps Advanced are a veterinarian recommended chicken and pork skin dog treat. NutriChomps brands are specially formulated with essential vitamins and minerals to help your dog live its best life. Free of artificial flavors, preservatives and dyes, NutriChomps Advanced are a healthy choice for your dog.