Collagen Chew for the Power Chewer. These all-beef chews support natural chewing instincts. Encourages your dog's natural instincts while ensuring a mess-free experience, perfect for indoor chew sessions. Chewing may help relieve boredom and reduce stress-related behaviors. Collagen chews are low-odor, which makes it easier for you to give them to your happy dog. Allergy-friendly quality dog chew. Natural and free from wheat, corn, and soy. All the great chew time joy without the mess! Variety of shapes/sizes. Available in sticks, braids, rings, and springs.