Shake well the pack before pressing metal disk along with the liquid accumulated to activate and generate heat.

To recharge put the range of instant click hot pads wraped in a thin cloth and place it in boiling water upto 8 to 10 minutes, till all the crystals are dissolved properly. Boil again to avoid left out or re-solidifying of the crystals It can be re-activated by following the same process, shake and then click the coin inside the liquid. Can be reused till punctured. DO NOT USE IT IN A MICROWAVE