1. Elastic latex tube, flexible and stretchable, not easy to break 2. Exercise swing strength, enhance swing strength, and hit the ball more steadily and farther 3. Firm club clip, you can adjust the position of the clip to change the swing strength 4. Paste design, the tightness can be adjusted according to the arm size 5. Material: pasted webbing, latex tube 6. Weight: about 160g 7. Size: about 87cm long
