1. Material: TPU+Lycra fabric
2. Features: light, breathable, partial pressure massage
3. Relieve neck and shoulder pressure and reduce weight-bearing
4. Multiple convection air cells produce uniform pressure
5. Widening is more labor-saving, suitable for all SLR models
6. Ergonomic design, more docile and comfortable, soft and breathable, decompression and shock absorption
7. Size: 6cm wide, 100cm total length, can be extended to 154cm
8. Weight: 90 grams