winter warm bag

The warm baguses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain preservatives, each process have been inspected strict , so this products are safety and reliableness.It has a innoxious certificate with SGS and MSDS. Temperatureconstant at40 degrees, suitable for human body temperature, the body not feel hot in winter. Temperatureconstant at40 degrees,more than8 hours without electricity, economic and environmentally friendly Method of using: microwave oven heating or hot water soak a few minutes to dry to useTemperature drop and then continue to put the microwave oven heating.