hand warmer,heat pad,gel heat pack(first aid)

Hand warmer,magice hot pack,heating pack. Features: 1) Instant heat up to approximate 54 degrees when activated. 2) Can be reused more than a hundred times by following the instruction 3) Can be used outdoor for physiotherapy. 4) Especially effective on muscle aching, back aching, cramps arthritis pain and tenontodynia. 5) 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 dissolved. 6) To activate: place the metal inside between forefinger and thumb, pressagainst is to start crystallization, when the crystallization completed,squeeze the hot pack to make it soft and ready to use. 7) Excellent physiotherapy: turn the protruding button downwards, rub it until it becomes soft, this hot pack gives soothing effect to rheumatic conditions of joints as well as pain caused by abdomen, stomach, waist,leg, shoulder, neck and nerves. It also stabilizes the body temperature in winter. 8) 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 by heating 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 good solution to relieving minor muscle and rheumatic pains, joint pain, stiffness and muscle