If you get your insulin shipped to you, it's kept cold during shipping with plastic bags filled with frozen gel. Save these gel-filled bags, and reuse them to keep lunch boxes and coolers cold.
They are also helpful when buying frozen groceries in hot weather. Just put the frozen bags inside an insulated bag when you grocery shop. Then fill the insulated bag with your ice cream, etc. These bags should be stored in the freezer and are also great for power outages!
They can be used over and over, and stay frozen much longer than blue ice. To top it off they're free!
For those who do not get insulin, I have received many of these, several at a time, when I order chocolate from a certain high-end chocolatier (begins with 'G', sign for their email list for great specials). They are also goot to transport a pet to the vet in the summer in a car with no A/C...I put a few in a plastic grocery bag and pile them at one end of the crate so miss kitty can choose how much cooling she gets...lowers the temp inside in general. They have also saved a freezer full of food numerous times when power went off unexpectedly, because they take so long to melt. We keep some laid out across the bottom of the freezer and pile any extras on the side.
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