Make Fetch Happen® anywhere, anytime with the Chuckit!® Ultra Ball and Max Glow Ultra Ball . Crafted from the same high-quality, durable materials as the popular Chuckit! Ultra Ball®, the Ultra Ball, is the ultimate toy for interactive fetch games. Designed for exceptional durability and visibility, the Ultra Ball is set to outplay the ordinary. when it starts to get dark bring out the max Glow Ultra Ball. Made from photoluminescent material that is both chemically and biologically inert, this dog fetch toy glows in the dark and recharges under any bright light source. Make Fetch Happen any time of day with the Chuckit! Max Glow Ultra Ball.