BarkBone Dental Chew: Made for aggressive chewers, this non edible bone mimics the shape of a natural stick while mint flavor and sodium copper chlorophyll help boost your dog's dental health Discourage Destructive Behavior: Our durable nylon BarkBones come in a range of shapes and flavors, stand up to power chewers, and help promote dental health by massaging gums and cleaning teeth as they chew Healthy Chew Outlet: Help your dog satisfy their natural instinct to chew and prevent boredom; The Extra Large BarkBone is recommended for power chewers and large dogs up to 90 pounds