12 Pcs Golf Balls Set,Stylish and sporty,3-piece construction: Polybutadiene core � for optimal acceleration and greater distance / DuPont� HPF-2000 polymer cover � for a soft feel at impact and more control when hitting the green / DuPont� Surlyn� shell � for low abrasion and high resilience,392 dimples for improved aerodynamics and stable flight path,Diameter: 43mm