Suitable for high level tennis performance, the Head Tour Tennis balls are frequently used during many important events and tournaments, as well as it is a great choice for club plays. Featuring an innovative Encore™ technology, the ball maintains proper bounce and durability for longer, as well as increases the spin potential. Also, there is the SmartOptik™ felt promoting increased visibility of the ball on all kinds of playing surface. The balls are meant for professional level of play and are shipped in a large quantity of 12 dozen (144 balls in total).