Clean your dog's teeth without a toothbrush! Floss Bones deep clean your dog's teeth and at the gum line as he chews the treat. The long-lasting chews are textured for extra cleaning action. Give your dog a floss bone every day for a quick and easy dental routine. Fresh Floss Bones are part of the indigo Fresh line of dental treats that make it easy and fun to clean your dog's teeth. With blueberries and other antioxidant-rich ingredients, indigo Fresh supports a healthy immune system as it cleans teeth.