Durable construction keeps its shape

As used by Lucie Safarova

With an easy to use and completely safe peel and stick application

power or tension

non-slip durable rubberized spots that make great targets and teaching aids

Penn QST 60 Felt 12 Pack FREIGHTCODE-B Durable construction keeps its shapeThe Penn QST 60 Felt 12 Pack of Training Balls are geared toward more advanced young players between ages 9 and 10 hitting on a 60 foot tennis court. These balls feature a low compression designed core that allows for the chance to have longer rallies. The bold yellow and orange felt stands out on the court. 12 balls per package. Two tone felt with low compression core. USTA and ITF approved and endorsed by the PTR.