Diameter: 42.8mm +/- 0.05mmWeight: 45.6-45.9gCompression:90-100Dimple: 392Resilience rate 80%Material:surlyn (resin) cover tournament golf ball ·SONALI 2-piece Tournament Golf Ball combines aerospace technology with high-tech engineering to produce a dramatically advanced golf ball. ·SONALI 2-piece Tournament Golf Ball designs for superior feel, play ability and maximum distance.·It has an enhanced core that converts impact energy into speed and power for longer driving distance.·For a majority of golfers desiring distance and durability, 2-pieceTournament Golf Ball is a good choice. It can offer powerful strike, flight stability, good feeling and superior performance for your game.