GAMMA 78 Green Dot Tennis Balls are USTA Approved for 10 and Under Tennis tournament play.
- Ideal for Ages 11+ and adult beginners on a 78' court with the 10 and Under or Tennis 10's format.
- 25 percent slower speed than a standard tennis balls.
- Numbered 1-3 for tournament play.
- USTA/ITF Stage 1 specification.