Penn Championship Extra Duty Tennis Balls- Acer's Dozen, 13 Cans (39 Balls) Bundle with Exclusive InPrimeTime Tennis Ball Magnet paddletek players that are learning the

players that are learning the skill of curving the ball can use the green dot as a visual cue to brush the racket up or down the ball for more advanced slices and spins

Square at impact results in straighter shots

Ergonomic flatlock seams deliver a comfortable

lens width:64mm (2

but also offers a good Balance of all the desirable play characteristics such as excellent pop and speed

Penn Championship Extra Duty Tennis Balls- Acer's Dozen, 13 Cans (39 Balls) Bundle with Exclusive InPrimeTime Tennis Ball Magnet paddletek players that are learning theBrand: InPrimeTime Color: Extra Duty Features: GREAT DEAL: 12 cans with 3 tennis balls in each can plus one BONUS can of 3 tennis balls giving you 39 tennis balls in all plus a free InPrimeTime tennis ball magnet. QUALITY: Tennis balls are made from a controlled fiber release for consistent nap, natural rubber for consistent feel and reduced shock, and interlocked wool fiber for longer wear. AMERICA's #1 SELLING TENNIS BALL: Represents the standard by