The Intro ball is 12% larger than the Pro ball.
DUNLOP Intro Squash Balls - 1 Dozen
Dunlop INTRO Squash Balls - 1 Dozen
Dunlop Pro Squash Balls Double Dot Yellow, Intro Blue, Red Progress, Competition
3 X Dunlop Pro Squash Balls. Intro Blue Dot
Dunlop Intro Squash Ball, Black, One Size
Dunlop intro Squash Ball Blue dot
