1. Jacket material: cotton, padding: memory foam
2. Memory rebound
3. Breathable, comfortable, skin-friendly
4. Strap design, rollable storage
5. Ergonomic, fit the spine
6. Smooth zipper, easy to remove and wash
7. 8 massage point design, relieve pressure
8. Back to fit the seat, suitable for most models
9. Wrapped two-wing design, so that the waist back to 26 degrees curve
10. Size: two-wing model: 27x49x13.5cm, crescent model: 21x47x13cm
11. Unit weight: two-wing model: 360g, crescent model: 330g