12 pcs Gel Ice Packs for Cooling Vest - Reusable Cold Packs for Cooling Safety Vest Coolers Ice Bag for Shipping Frozen Food Heat Pain Relief

I was surprised at the durability and how cold these ice packs get. It takes a few hours for them to completely freeze, but when they freeze so far they last as a comfortable ice pack for a couple hours for me when is a good amount of time to have a cold performance for me. The ice packs performance is definite and the weight is good along how well they fit in my freezer. I'm confident in an ice chest I will get longer hours compared to me using them in hotter temperature as an ice pack. Also, it was a little tricky filling them, but once I followed the directions it was so easy that I wish I had more to fill and it self sealed I tried to dump the water and it didn't even leak. I'm really liking these ice packs. Again thank you.

To cool down working in a hot environment in a Backerboard plant. They go in the pockets of a cooling vest system. The pouches keep cool for 8 hours , great as long as I don't work overtime. I keep extra pouches in the break room freezer lol.

Did not las at all. After an hour in it was just water weight

These are more likely to break if filled to the 400ml line. Keeping it at 250ml or less and burping out any excess air keeps packs flatter and more comfortable to wear.They break a little too easily, but are easy to use. A straw will help if you get air inside. Turn the pack upside-down, insert the straw and press pack until all air is gone.

Thank you for shipping it I appreciate that have a nice day

The product was acceptable and works. Problem was it took 3weeks to get here. Final package came from Tucson az but shipping showed coming from China. Don’t figure

Unless you have lots of flat surfaces in your freezer, they will freeze in odd shapes that will not conform to the body contour.Three of fifty used leaked.Users complained the cold burned them.