1. Material: Cork
2. Uses: muscle relaxation, local massage, acupoint stimulation
3. Made of cork material, durable and durable, not easy to break
4. Curved design fits the shape of the human spine, making massage more comfortable
5. Cork material, moderate hardness, better use effect
6. Small size, easy to carry
7. Full body available, multi-directional massage
8. Wear-resistant and slip-resistant, press freely during massage, not easy to roll
9. Diameter: 65mm, 70mm, 80mm, 100mm, 120mm
10. Weight: 65mm: about 50 grams, 70mm: about 70 grams, 80mm: about 120 grams, 100mm: about 190 grams, 120mm: about 270 grams