Great for fibromyalgia and muscle pain

This thing has been a blessing for my mother. She has fibromyalgia and often suffers from spasms and back pain. We've been having a cold snap lately in the heating pad has been doing so much for her! The coral sand is great because it gets hotter without burning much better than a traditional heating pad. The one tip I will say is make sure it is evenly dispersed through it before using it otherwise you get a little bit of an uneven heat. But if you need that beforehand it's perfect. it's also quite nice that it's an extra large size so it covers a much better area. She's quite a hole and often heats it before getting in the car for longer rides. Because Coral keeps heat longer it will generally stay nice and warm for at least an hour with no power source.

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