1. Material: high foam2. Applicable scenarios: health massage, fitness and body3. Product features: Lightweight, breathable, close-fitting and comfortable4. Color: black5. Ergonomics, the eyes move with the back, the support plate can bend 360°, relax and relax, protect the back, assist in the correction of bad habits6. Y-shaped strap design: Effectively support the back, the shoulders cross and stretch to open the shoulders.7. Support molding board: follow the back movement, can bend and relax 360°, protect the back.