The Chuckit! fetch medley is designed especially for the game of fetch and lets your dog chase a different ball each time. Made from natural recycled rubber that is long lasting and durable the bright color of the balls gives increased visibility to help prevent the ball from getting lost. The Chuckit! fetch medley includes a fetch Max Glow ball, fetch whistler ball and fetch rebounce ball. Each ball is unique and allows for endless playtime options with your pet.