GAMMA Quick Kids 60 Training Tennis Balls for Kids & Beginners,

50% SLOWER SPEED: Made with a lightweight outer layer, these low-compression tennis balls fly 50% slower than standard tennis balls, making it easier for beginners to practice rallies and experienced players to practice more advanced techniques. TRAINING TENNIS BALLS: Designed for younger players learning the game, these tennis training balls are a great choice for use when instructing children on fundamentals of tennis. TWO-TONED SURFACE: Designed with a bright yellow and orange felt surface, these practice tennis balls offer added visibility and are easy to identify from standard tennis balls. They also help players practice hitting and returning topspin and slice shots. MADE FOR 60' COURTS: Designed for players transitioning from 36' to 60' courts, the slower and lower bounce makes these practice tennis balls suitable for instructing beginners and playing youth tournaments. USTA/ITF STAGE 2 SPECIFICATIONS: These low-bounce tennis balls are rated as Stage 2 balls by USTA/ITF for use in tournaments for youth 10 and under.