鈥urface: DuPont Surlyn + ultra-thin Ionomer 鈥iddle: synthetic rubber with heavy metal 鈥ore: synthetic rubber 鈥lasticity: 80% 鈥eatures: distance ascension, durability ascension and the robeffect promotion 鈥eamless dimple design 鈥unctions: it has the penetrating stability flying, especiallyto keep the flying routine in the high wind 鈥vailable in various sports, training and practice golfballs 鈥ustomized colors and designs are welcomed 鈥EM and ODM order are welcomed