This is the best 4-piece urethane ball we've ever made with the best HEX Aerodynamics that Callaway has ever developed. For each dozen golf balls purchased you will receive 4 free Callaway gift bags printed with your corporate logo.***Special Offer***For each dozen golf balls purchased you will receive 4 free Callaway gift bags printed with your corporate logo along with 4 free bags of Callaway printed tees.