Fits Perfectly in pockets or gloves - perfect for winter walks, skiing or in any cold weatherRe-usable over 100 times and stays warm for up to 45 minutes!Snap the metal disk to activate. To re-use simply pop into a pot of boiling water until all the crystals have turned into liquid however if removed from boiling water to early it will reactivate itselfPlease note it is possible for the metal disk to be snapped on transit and it may therefore arrive with the crystals formed. If this is the case just boil it to use.Size: 10cm approxAge: 3+ years.
