Mantis stage 1 green tennis balls 6 dozen
The mantis stage 1 are itf approved tennis balls that come in a yellow colour with a green dot in accordance with the international tennis federations instructions these green tennis balls are 25 slower than the standard ones which makes them a great choice not only for developing juniors but also for recreational players who need more time to move into a correct position they are sold as a 6 dozen pack 18 x 4 ball tubes