PetSafe Busy Buddy Twist 'n Treat Puppy Toy ADJUSTABLE: Twist the two pieces together to easily adjust the challenge level for your puppy STOP DAMAGE: Satisfy your puppy's need to explore and chew GENTLE ON PUPPY TEETH: Durable natural rubber for teething puppies; NOT recommended for strong or aggressive chewers VERSATILE: Fun to use with dry treats, wet food or smearables such as peanut butter; even use as a feeder with kibble SIZE INFORMATION: For puppies under 10 lb. and under 6 months DISHWASHER SAFE: Top rack only, take apart for easy cleaning HERE TO HELP: Call, email or chat with our expert U.S.-based customer care specialists Monday through Saturday at 1-800-845-3274 or ccc3@petsafe.net; they are ready to assist you and your pet EXPERIENCE: PetSafe has been an industry leading U.S. manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year