How to fill the hot water bag with water

Winter is coming, many of the body cold girls are very easy to cold hands and feet, especially in playing the mouse and keyboard hands frozen bone and joint hidden pain and more muscle stiffness, in fact, girls or must be scientific and reasonable care of their bodies, there are some small treasures can reduce this kind of pain due to the cold, for example, you can buy an electric hot water bag supplier mini-type hand warmer. How to use the mini hand warmer? What are the advantages of mini hand warmers?

How to use the mini hand warmer?

National standard hot water bag customized, after knowing the actual operating prerequisites, we first to master the principle of hand warmer. First of all, the hand warmer is a bag of liquid and 2 metal pieces. Gently bend the bag metal piece, so that the liquid crystalline, uniform and soft movement, the ambient temperature can reach 50 ℃ up and down, can be maintained about 1; "hand warmer" is not cold, the crystals into the boiling water, until it melts into liquid, cooling, can be repeatedly used.