All Natural -  Beef Collagen Sticks for dogs are single-ingredient dental treats. These collagen chews for dogs are naturally grain free. No hidden ingredients, chemicals, additives or fillers in our premium beef collagen sticks for dogs. No artificial flavors, preservatives or colors. Top Quality Treats - Our Collagen dog chews are top-quality dog chews for aggressive chewers. These Collagen Sticks will satisfy their natural instinct to chew for the perfect pairing of health and taste. They are made from the deepest inner layer of beef skin, making them more digestible than traditional dog rawhide chews. The tough gnawable texture and savory beefy flavor make them irresistible. Now, your fur kid can enjoy a great-tasting & gut-friendly treat! Helps Improve Flexibility & Mobility - Satisfies their natural instinct to chew for the perfect pairing of health and taste. The tough gnawable texture and savory beefy flavor make them irresistible. Redbarn Collagen Sticks are packed with Chondroitin & Glucosamine. Together, glucosamine and chondroitin help repair joints and promote healthy cartilage. Collagen can be broken down into easy-to-absorb amino acids called collagen peptides. Collagen peptides helps improve flexibility & mobility. Healthy Teeth & Gums - Chewing is a natural boredom-buster, stress-reliever, and plaque-remover. These nutrient-dense and flavor-packed canine chews will keep your power chewer busy! Like our bully sticks, collagen sticks help remove tartar & plaque buildup through the mechanical action of chewing. These long-lasting dog collagen sticks help keep the dogs teeth healthy and clean. Our Collagen Sticks are thicker than your average pizzle sticks and last longer than regular beef jerky for dogs. Safety is our top priority. Redbarn's in-house quality assurance team performs more than 2,500 tests per month. Each bone is naturally cleaned without the use of bleach or harsh chemicals and baked in ovens for increased safety and durability.