Starmark is one of the leading companies in the world when it comes to dog toys and training tools that are both educational and entertaining. Their unique and innovative product offerings are designed by experts in the field—certified Training and Behavior Specialists. The medium-sized Starmark Everlasting Groovy Ball is designed for small and medium breeds of dogs. It is made from an extremely durable material that even the most chews-iest dogs cannot shred or puncture. The Everlasting Groovy Ball will provide hours of mental stimulation and prevent destructive behavior caused by boredom. It can be filled with Everlasting Dental Treats or another treat of your dog's choice.