WASHINGTON — We love shopping the vendor areas at RV Shows and at the California RV Show in Pomona, we found a great way to keep things in your cooler cold – really cold – for long periods of time. They are called Herolily Ice Packs and you can get them on Amazon.
They are reusable and can be frozen right down to -190℃ that’s more than twice as cold as dry ice! Put them in your home or RV freezer and they will freeze between minus 18℃ and minus 21℃ when the freezer is adjusted to the maximum setting, or -3 to -5 F
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