1. The inner tube made of foam and PVC is harmless to human body
2. Bearing design, the chain can rotate 360 degrees flexibly, and the stick is smoother
3. It is not painful to hit the body, providing more protection for novice practice, performance and entertainment
4. The length of the single section is 28 cm, the length of the chain is 17 cm, and the diameter is 3.3 cm
5. Weight: 114g