Tretorn Micro X Pressureless Tennis Balls are high performance, long lasting tennis balls, which are equally suitable for the frequent competition player to the occasional recreational player. Featuring a worldwide patented secret, using 700 million micro cells in the construction of the inner core of the ball.
Tretorn Micro X Pressureless Tennis Balls are ideal for tennis practice or games on any surface, such as concrete, natural grass, or clay, without the need for air.
