1. Material: rubber
2. High elasticity training tennis ball with string, with new formula, more durable, stronger elastic string
3. Thicker elastic rope, stronger and more durable
4. Suitable for both beginners and professional sportsmen
5. Rope thickness: 2mm
6. Rope length: 3.5m
7. Size: about 64mm
8. Weight: about 85g
Specification:
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