Wilson Ultra 500 Straight Golf Ball (15-Pack), White Hit farther with the Wilson Ultra 500 Golf Balls. Advanced two-piece golf balls with a titanium core and cutproof cover give the Ultra ultimate playability and distance off the tee. Complete with spin-reducing technologies Advanced two-piece construction Technologies to reduce spin which allows the ball to fly straighter High energy titanium core generates maximum initial velocity Guaranteed cutproof cover for ultimate playability