Nylabone Original Flexi Chew Natural Flavor Bone - Souper Size is clinically proven to reduce plaque and tartar build-up on your dog's teeth. When you give your dog a Pooch Pacifier, you're doing more than giving him a safe, great tasting way to indulge in needed chewing behavior. You're also giving him an important way to help reduce plaque and tartar build-up and maintain a healthy mouth. And they're naturally flavor-enhanced so dog's can't resist them! This flexible chew is especially designed for average and light chewers. Ingredients: Inert soft thermoplastic polymer, natural flavor.