Triniti is the first high-performance tennis ball with fully recyclable packaging, setting new standards for sustainable performance. The unique octagonal Triniti packaging made of paper can be completely recycled after use. The ball core is made from a unique plastomer that significantly extends the fresh ball feel. The durable STR felt is 50% more flexible than a conventional ball, providing a better feel upon contact. The combination of new core material and flexible felt gives this ball a fresh feel even outside a pressure container. Triniti offers the perfect blend of innovative ball technology and unique, sustainable packaging, ushering in a new era of high-performance tennis balls for use on and off the court. Number of balls: 4, Color: Yellow, Sport: Tennis.