Compact, lightweight tennis ball on a cord for solo practice. Built with a natural rubber core for durability and a consistent feel, it withstands repeated swings while staying easy to handle. The attached string keeps the ball within reach, so you can train without a partner and maximize practice time. Key benefits Portable and easy to store: compact design you can take anywhere. Durable natural rubber core for long wear and reliable rebound. Solo training improves stroke mechanics, timing, and target accuracy. Corded design reduces downtime from chasing balls and supports quick drills. Versatile use: suitable for indoor sessions, small spaces, or oncourt practice with limited room. Use scenarios Solo warmup and stroke drills before matches at home, in the gym, or on the court. Wall or reboundsurface practice in a compact space. Repetition drills to build swing path, tempo, and muscle memory during short sessions.