HOW IS THE HEAT PRODUCED? Bending or “clicking” the coin located in the liquid pad causes a reaction to occur which makes the liquid crystallize and
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Reusable 2.5'' *3'' Dual Comfort Instant Heating Pads Instant Hot
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SNAP FOR INSTANT HEAT: Snap the internal metal disc, a reaction is set off to generate instant & long-lasting heat up to 130 ℉(54℃); No boiling or
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