1. Material: sponge
2. Washable
3. Cervical spine correction
4. Anti-bacterial and anti-mites
5. Long wear not tired
6. Applicable parts: neck
7. Raised on both sides to support the head weight
8. Threaded woven breathable grid, refreshing and comfortable
9. Three-layer support system, fit the cervical curve
10. Easy to wear, sticky buckle design, adjustable neck circumference