Continuing to push the limits of sustainable performance, Triniti Pro dials up the speed and liveliness for competitive players who like to bring the heat. Crafted with a premium woven felt for consistent flight and bounce characteristics, this ball delivers dynamic results for aggressive strokes. Ball features signature fresh ball feel of Triniti franchise thanks to its Engage Core, an innovative new elastomer material that maintains its fresh ball feel four times longer than standard tennis ball cores. Triniti Pro ball is packaged in fully recyclable octagonal cartonboard sleeve, delivering the unique blend of innovation and sustainability that continues to revolutionize the performance tennis ball industry. Sleeve include 3 balls.