ThePenn QST 36′ Felt Ballis perfect for a 10 and under player playing on a 36-foot tennis court. The felt balls feature a denser core, which allow for younger players to keep up with the pace of the game. ThePenn QST 36′ BallfitsUSTAregulations for a 36-foot tennis court, but can also be used for training with adults and bigger kids. The bag contains 3 balls covered in yellow and red felt.

Color: Red and Yellow (Two Tone)

For more information on tennis balls, check out the following blogs:

Every Different Type of Tennis Ball

Finding the Right Tennis Ball Machine for Your Game

Buy the Right Racquet for Your Junior Player