AMERICA'S #1 BEST-SELLING TENNIS BALL: Penn Championship is the top choice for everyday players, clubs, and coaches - trusted for consistent quality, durability, and performance across all court types. IDEAL FOR YOUTH & BEGINNERS: Designed for players ages 11+, Penn Control Plus Green Dot balls bounce lower and move slower than standard tennis balls to help build confidence and consistency. An ideal beginner ball for the first time playing on a 78' court. SLOWER SPEED, BETTER CONTROL: Approximately 25% slower than regular tennis balls, allowing beginners more time to react, swing, and develop proper technique. USTA APPROVED: A high quality and consistent ball, Penn Control + is approved by the USTA for the 10 and Under Tennis Program. DURABLE FELT FOR CONSISTENT PLAY: High-quality woven felt delivers dependable bounce and extended durability for lessons, clinics, and recreational play.