The Nylabone Puppy Chew Ring Peanut Butter Toy is made of soft rubber to encourage positive chewing and playtime habits from a young age. It features dental ridges and nubs to help clean teeth as well as prevent plaque and tartar. Your puppy will love to chew, tug, and play with this interactive dog chew. Allergen Free Peanut Butter Flavor Made In USA Soft for Teething Puppies Encourages Proper Chewing Habits Helps With Boredom, Dental Care, Destructive Chewing, Stress & Anxiety, Puppy Teething,