Nylabone Dura Chew Peanut Butter Flavored Bone Dog Toy encourages and entertains while discouraging destructive chewing. Bristles raised during chewing clean teeth and control plaque and tartar. Different dogs have different chewing styles and strengths, even within the same breed, so be sure to choose the correct chew toy size and strength for your dog. This dog toy provides long-lasting enjoyment, satisfies the natural urge to chew, and encourages positive chewing habits. These dog chew toys are ideal for big dogs. For 70 years, our family-founded brand continues to safely satisfy dogs' chewing instincts and help them stay in loving forever homes!