This product has been updated. An anti-slip cross strap and an outdoor survival whistle have been added. Better buckles and inner materials are used to meet customers' needs for quality. The adopted better buckles have high strength and are not easy to be damaged. With the cross strap, it is safer. It is filled with environmentally friendly EPE high-density buoyancy cotton. The life jacket made of environmentally friendly high-density buoyancy cotton can ensure that the wearer maintains sufficient buoyancy in the water and reduce the risks caused by the impact of water flow. It has passed the certification of the EU Personal Protective Equipment Safety Directive 89/686/EEC. The CRASH PACTZ shock-absorbing sponge can effectively protect the chest and has the function of collision prevention.