The GAMMA 60 (orange dot) Ball is USTA Approved for 10 and Under Tennis tournament play.
- Ideal for ages 10 and under on a 60' court with the 10 and Under Tennis or Tennis 10's format.
- 50 percent slower speed than a standard tennis ball.
- Numbered 1-3 for tournament play.
- USTA/ITF Stage 2 specification.