Portable and Lightweight: The tennis ball with string is small and lightweight, making it easy to carry and store. No need for a tennis partneryou can practice anytime, anywhere. Precision Training Tool: This self-practice tennis ball with string helps improve strokes, footwork, and hitting accuracy. Ideal for players of all skill levels looking to enhance their performance. Material: Made with high-quality, durable tennis ball material that is lightweight and built for repeated use. Wide Application: A great training aid for beginners and intermediate players, suitable for both indoor and outdoor use. Helps refine technique and build consistency. Solo Training: Practice independently whenever you want. Everything needed to help improve your tennis skills effectively. Note: Actual color may vary slightly due to lighting. Allow 13 cm variation due to manual measurement. Rope length: approx. 3.8 meters Stretch length: approx. 7 meters Package List: 1/3/5 pcs Tennis Ball with String