Made of synthetic rubber. Gold plating golf ball and golf balls, for long distance high visibility in air or ground light conditions, easy to see, track and locate, in all light conditions, lowering scores and helping golfers with limited vision. Golf balls for practice golf balls, bumber of bee holes 392, high performance; Larger dimple pattern and specially blended core of the bulk golf balls increases distance and control, a wonderful accessory for golf practice. Orders of 3000 pieces or greater are eligible for sea shipping. 100% guarantee for quality.