It is the largest handwarmer. It is deal to warm yourself at home and enjoy it in a more relaxed sesion.
It is recommended to reduce muscle tension, relax sore body parts or in addition to massage.
Also it's used to warm in a cold day.
It's like the bag of water from our grandmother, but with the difference that you can use it wherever and whenever you want.
Moreover, it can be recharged immediately and used many times.
