hand warmer

hand warmer
Eco-Friendly Yes
Material PVC
Place of Origin Shanghai, China
Brand Name OEM
certificates CE, MSDS, SGS, FDA
To be used as a heat source or hot compress when need .
Usage:
Use as the first time:
1.hold the bag with one hand while press the hot button disc several times inside the bag with the pollex and forefinger of your another hand . The liquid shall turn to solid and release heat soon.
(do as the second time usage if the bag is solid )
2.You can press the bag face to make the bag flat and the heat can spread easily
3.put the bag on the face where you need when its hot