1.Good massage and soothe experience. 2.Air convection partial pressure shoulder guard comfortable material, anti slip and anti-radiation. 3.Buffer tension protects shoulder and neck. No air leakage, no deformation.Decomposition of tension by 30% which brought by shoulder strap. The airbag is 9pcs for a whole. When slowing down or braking, the air bag is compressed, and the air between the bags flows rapidly, producing even distribution "anti-gravity" effect of pressure. Far-infrared powder drops glue particles-- anti slip/anti-radiation. Stay away from radiation and live a healthy life. The surface is covered with far infrared ceramic powder particles, which can promote blood circulation.On the way, the sudden emergency caused the emergency brake. The body leans forward due to inertia and it can easily strain the neck and shoulders without a shoulder guard. Decompression shoulder strap of safety belt. Brand certification, patented air decompression air pad. 3D airbag shock, under pressure, the air flow between each other to achieve the effect of buffer and decompression.