- Use odorless leak-proof PVC, safe, healthy and durable.
- Ergonomic design can perfectly fit the neck line, reduce the pressure on the cervical spine and relax the cervical spine.
- Apply a warm compress around the neck at 360 ° to improve blood circulation in the back of the neck and relieve muscle spasms.
- Comfortable; it can usually stay warm for 2 to 6 hours and has the function of preserving heat in the long term.