the warm bag/heat pack can keep warm for 6 to 8 hours each time,without power supply,it can be used recyle for 4 years. The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not...

1.keep warm for 6 to 8 hours 2. envionmentally friendly 3. energy saving 4.lifesapn is long The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain preservatives, each...

the warm bag needs no power,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years.   The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain...

the warm bag needs no power,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years.  The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain...

the warm bag needs no power supply,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years. The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain...

the warm bag needs no power,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years.  The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain...

the warm bag /hand warmer needs no power supply,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years. The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not...

The warm bag needs no power. After heating, the internal material can keep temperature constant for 6 to 8 hours.   The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not...

the warm bag needs no power,it can keep warm for 6 to 8 hours.and it can be used recycle 4 years. The warm bag uses high-tech patented phase change energy storage materials as filling material, environmental PVC compound fabrics as packing. And it does not contain preservatives,...

The warm bag needs no power. it can keep temperature constant for 6 to 8 hours. It can be used recycle 4 years. major feature:The warm bag needs no power. the internal material is phase change energy storage material which can keep temperature constant for 6 to 8 hours. It can be used...