Usage:
1.To activate:Flex metal disc back and forth till liquid change into crystals.Knead pack to soften.(If the temperature is too high,wrap a thin towel around the heat pack before using.
2.To recharge:Put the hardened heat pack into boiling water.Continue boiling for approximately 5 minutes or until the crystals are completely liquid.When the pack cools down,it is ready to be used again.

Feature:
1.Instant heat up to approximate 52 degree when activated.
2.Can be reused more than hundreds of times by following the instruction.
3.Can be used outdoor for physiotherapy.
4.Especially effective on muscle aching,back aching,cramps arthritis pain.
5.Different shapes,sizes,and colors are available.
6.Non-toxic,non-caustic.

Application:
The resuable hand warmer gives soothing effect to rheumatic condition of joints as well as pain caused by abdomen,stomach,waist,leg,shoulder,neck and nerves.
It also stabilizes the temperature in water.