Petmate Dogzilla Rubber Ball Shaped Dog Toy, Blue Protein enhanced rubber making this a mouthwatering dog toy Best selling ball shape designed for maximum chewing Tough rubber exercises your pup's jaws Blue color which is designed for canine sight Ideal size for the largest dog breeds Protein enhanced rubber making this a mouthwatering dog toy Best selling ball shape designed for maximum chewing Tough rubber exercises your pup's jaws Blue color which is designed for canine sight Ideal size for the largest dog breeds