They perform as advertised. They stay cold longer and are large enough to cover a larger area than most cold packs. I would highly recommend this product for pain relief.
I already own one of these and wanted an additional one. The picture on the box was identical to the one I have, but the one I received was different and does not hold the cold as well. Also it says there are two pads and there is only one. This should be changed. It is very misleading to consumers.
This is the kind of instant cold pack with Ammonium Nitrate, so it's super fast acting. The 5.75x9 is bigger than the smaller ones so it gets colder longer, and it's just the thing you need when you go camping to fend off heat stroke! Bring a couple of these, wrap it around a towel and apply to the head and neck to bring core temps down! Remember to sip water not gulp when overheating!
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