The KONG Classic is the original red rubber dog toy and still the one most vets and trainers reach for. Unstuffed it is a tough, bouncy chew and fetch toy. Stuffed with treats it becomes a rewarding puzzle that keeps your dog busy, calm and mentally satisfied.Why dogs and owners love it Made from KONG's signature natural red rubber: durable, non-toxic and kind to teeth and gums. Hollow centre stuffs with treats, kibble or paste to ease boredom, settle separation anxiety and curb destructive chewing. Unpredictable bounce for lively games of fetch. Encourages natural chewing that helps support healthy teeth and gums. Top rack dishwasher safe for easy cleaning. How to stuff itStart simple with a little kibble and a dash of peanut butter. For longer lasting fun, layer in KONG Snacks and seal the end with KONG Easy Treat paste, then freeze so it lasts even longer. Pack it firmly enough that your dog has to work for it, but not so tight they give up.Choosing a sizePick the size that suits your dog's weight and chewing strength. Available in Small, Medium, Large, X-Large and XX-Large. Strong chewers should size up or choose the tougher black KONG Extreme. If you are unsure, our team is happy to help.CareRinse in warm soapy water with a bottle brush, or place on the top rack of the dishwasher. Replace if it becomes damaged.Suitable for dogs of all ages. For teething puppies, try the gentler KONG Puppy.