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. Size: 12-6cm, 15-7cm, 16-8cm 9. Weight: 130g, 180g, 250g
