2)To activate:flex the metal disc back and forth until the contents of the heat pack starts crystallising.
To recharge:After the heat pack become solid and no longer warm just need to put them in boiling water until the solid become liquid again after that it can be reuse again
Item will stay heat and warm for around 30 mins to 1 and half hours. (it depends on what temperature condition you are in, It can last longer if you keep it with your body heat
Reusable Shoulder Heat Packs has been presented above, want more similar products, please click Snap Shoulder Heat Packs.
Our Reusable Shoulder Heat Packs is good in quality and competitive in price. We manufacture Reusable Shoulder Heat Packs and supply OEM, ODM service according to your requirement.
If you want more detailed information of this product or related problems, please contact with us, we will reply as soon as possible (general in 24 hours).
Category: Body Heat Pack
Related Category:
Pocket Hand Warmers