1.2layer driving range ball 2.Core: synthetic rubber,cover: surlyn 3.Offer powerful strike,flight stablility,good feeling. Name2layer driving range ballItem noFYS-5123Materialcore: synthetic rubber,cover: surlynDimple392Weight45gHardness62-68Compression70-90Resilience rate79-82%Duration450times (below 125ft/s)Logosix colors, multi locations 2layer driving range ball