Mission Flux - Luxury Hand Warmer - Reusable

The Mission Flux is a reusable hand warmer, press the metal disc inside to trigger crystallisation, which generates heat that lasts for up to around 30 minutes. To reuse, simply place it in boiling water for 5-10 minutes until the crystals return to a liquid state, then let it cool before its next use. Available in clear, blue, red, purple and green.