GoSports Pets Herding Ball supports the natural instincts of herding dogs! This heavy duty dog toy ball is specially engineered for medium to large dog breeds, such as Shepherds, Collies, Cattle Dogs, Heelers, and more. With a vibrant blue color dogs can see, this interactive dog ball provides the physical and mental stimulation dogs need to stay happy and healthy. It's also ultra safe and virtually indestructible! The cover is made from a double-stitched, tear-resistant fabric with a hassle-free hook and loop closure. The cover fits tightly, making it harder for dogs to bite and tear. Additionally, the inflatable ball is made from durable PVC that is lighter and easier to inflate than yoga ball used by the other guys. Upgrade from low quality, boring dog toys with GoSports Pets Herding Ball!