Zanies Plastic/Rubber Easy Throwers Dog Toy, 15-Inch, Blue with Glow in the Dark Tennis Balls, 2 pk. Set includes on Zanies Dog Ball Easy Thrower with one tennis ball and another set of two glow in the dark tennis balls Easy thrower let's you throw your dog's ball further and faster Hand-free pick up so your hands stay clean and free of dog slobber! Perfect for both small and large breeds Glow in the dark balls extend playtime with your pet for night time fun!