AMERICA'S #1 SELLING BALL: The product of 100 years worth of testing and perfecting; Penn produces the best selling line of tennis balls in America.

GREAT FOR BEGINNERS: The QST 36 kids' tennis ball features lower compression for controlled bounce and 75% reduced speed. An ideal beginner ball for playing on a 36' court.

MASTER THE BASICS: With a red and yellow 2-tone felt design that allows players to easily track spin, Penn junior tennis balls are great for young players still mastering the basics of ball control.

USTA APPROVED: A high quality and consistent ball, Penn QST is approved by the USTA for the 10 and Under Tennis Program.

LASTING DURABILITY: Durable felt ensures the all courts tennis balls will play like new for as long as possible.