"The Penn Championship is America's #1 Selling Ball. This USTA and ITF approved ball is also the Official Ball of USA League Tennis."

The Penn Championship is gas pressurized to give it the popular playable bounce. Pressurized balls like the Penn Championship are the norm at tournaments and leagues. So it is wise to use them for match-play practice and competitions.

Penn Titanium Tennis Balls :

Titanium enhances the Penn® Championship Titanium tennis ball's natural rubber core for increased durability without any sacrifice in playability. The increased core-pressure retention also allows for longer-lasting play and a thicker grade of felt cover provides for increased wear.

Dunlop Championship Tennis Balls:

Slazenger Championship Tennis balls:

The Slazenger Championship Tennis Balls are the combination of a good quality first grade core and incorporating Hydroguard, a cloth that repels up to 70% more water than any other tennis ball on the market. Available in a 4 ball pressure can.