KONG Classic with Rope Red Rubber Dog Toy 3 Sizes The KONG Classic has been the gold standard of dog toys for over forty years and is enthusiastically recommended by dog professionals. The super-bouncy, red natural rubber compound is perfect for dogs that like to chew. The secret is in the design and especially in the materials of natural rubber with remarkable elasticity which withstands the toughest chewers. Dogs just love the taste, smell and texture of the Kong and studies show they can be a real comfort to stressed, bored and lonely dogs. This dog toy has a hollow centre so that treats and snacks can be inserted as a boredom breaker. The unique shape of the Kong produces an unpredictable bounce, satisfying the dog's hunting instincts as they follow the toys erratic nature.Includes attached rope - additional tugging and pulling fun for extra bonding with your dog.Size guide:Medium (9cm) for dogs 7-16kg Large (11cm) for dogs 13-30kg X-Large (13cm) for dogs 27-41kg Provides a gentle and comfortable chewing outlet while satisfying instinctual needs Includes rope for additional tugging fun! Great for stuffing with KONG Easy Treat & Snacks Recommended worldwide by Veterinarians, Trainers and dog enthusiasts Made in the USA. Natural rubber - Globally Sourced Materials.