Provide your pup the ultimate chewing challenge with the Nylabone Puppy Power Chew Knuckle Bone & Pop-In Puppy Treat Toy Combo Chicken. Made with super-durable material, this chicken-flavored, chew toy is designed to give long-lasting flavor and fun to puppies with serious bite. This refillable chew toy also features ridges and nubs that help clean your new furbaby's teeth as he chew. Plus, it includes All-Natural Pop-In Treats that fit securely in the treat grippers, allowing your little furry friend to enjoy the treat from both sides of the toy. Each limited-ingredient chicken dog treat is highly digestible and made in the USA. Whether you want to challenge your powerful puppy or simply take his chewing fun to a new level, this chew and treat toy will keep him happily occupied!