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These are air-activated heat patches shaped to wrap around the neck and shoulders. Each patch warms up on its own once opened and holds heat for up to 8 hours, with no scent and no medicinal ingredients. The thin patch sticks to skin or clothing and is meant for stiff, sore muscles at home, at a desk or on the move. Buyers like the long, steady warmth and the muscle relief; some find the heat fades sooner than the 8 hours suggest.
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Lowest price we've seen: $5.59 on Nov 9 at StyleVana. Tracked across 1 store since Nov 9.
Buyers mostly report long-lasting, comfortable warmth and real relief for stiff neck and shoulder muscles. The main complaint is that the heat does not stay strong for the full stated time.
This is a U-shaped heat patch designed for the neck and shoulders. It is an air-activated body warmer that makes its own heat once exposed to air, so it needs no power source. The heat rises to more than 40℃ and lasts for 8 hours.
The large patch measures 13 cm x 9.5 cm and sticks to hold in place around the neck and shoulder. It has no fragrance and no medicinal ingredients. The design is thin and odorless, and it fits in a pocket or bag.