How to do hot water bags?
It depends on what kind of hot water bag you want
Buy cloth, cut the shape you want, with a hot press and pressure up, wrapping, water injection. OK!The utility model is characterized in that the utility model is characterized in that the utility model is characterized in that the utility model is characterized in that one side of the electric heating bag is a mercerized cloth, and the other side is a flannelette fabric.The mercerizing surface is a little hotter, and the temperature of the side of the cloth is a little lower.The most interesting thing is that the pattern can be changed after heating, interesting. Strongly recommend.
This issue is relatively vague, first of all to consider what kind of materials to make hot water bags?The most simple physiological saline bottle with hospital drip irrigation, boiling water, hot water bag can be made.