Reusable Heat Pack,Hot Pack,Self-heating Packs Pad

reusable heat pack,hot pack 1.CE,SGS,MSDS,EN71,FDA 2.Non-toxic,non-caustic,reusable 3.Eco-friendly 4.OEM is avalable. Features:1) Instant heat up to approximate 54 degrees when activated2) Can be reused more than a hundred times by following the instruction3) Can be used outdoor for physiotherapy4) Especially effective on muscle aching, back aching, cramps arthritis pain and tenontodynia5) To recharge: place the hot pack in boiling water with cloth below, note, prevent the plastic bag from contacting the bottom of the pot for about 5 minutes or until all the crystal is dissolved6) To activate: place the metal inside between forefinger and thumb, press against is to start crystallization, when the crystallization completed, squeeze the hot pack to make it soft and ready to use7) Store: when boil the pack in water for 4-5 minutes until it turned in liquid state, must put a piece of cloth under it to prevent being damaged byheating and keep it into a box after finished Function: The hot packs are used on injures after inflammation and swelling has subsided. Hot therapy usually follows cold therapy. These hot packs are a