BUTTERFLY G40+ 3 STAR PLASTIC BALL. The G40+ 3-Star Ball is a seamed plastic ITTF approved ball from Butterfly. This ball is totally round and has the same thickness at all points. The actual bounce of this ball resembles that of a celluloid ball. Try the Butterfly G40+ balls for a new feel and new sound! These balls are made in Germany. There are 12 white balls in this box.