Instant Ice Packs for Injuries, First Aid Disposable Cold Pack, No Freezing Needed, Pain Relief for Swelling, Sprains, 5''X6'', Pack of 24

Es un producto que dura poco 10 min Max, pero a los pacientes si los deja con el ojo cuadrado se lo moderno que es el sistema de frío químico.

My box of 24 arrived today. The bags were a little smaller than I expected but that's my fault for not reading the description where it shows the sizes. I opened the box and took one out. I squeezed and twisted and it started to feel a bit cold but I never heard anything pop. It was cold but not as cold as others I've used.Then I decided to read those with a one star rating. Most seemed to be the same complaint as mine. It didn't stay cold long enough and they felt it had already been popped. So, I took the one I was using and this time, I REALLY squeezed it and sure enough, I heard a pop and instantly, it got very cold.I applied it to my ankle and set the timer. It stayed cold for 13 minutes. That's really not so bad. When it got warm, it was all at once. The bottom line here is, it was my fault for not pressing hard enough to make the inner bag pop. I'll know better on the next one. From what I see now, I would buy these again.

I purchased these cold packs for an overseas trip I took in Feb/March. I was on a tour with 34 other people and there was a lot of walking. I have knee and ankle issues and wore braces while out and about, but I still needed to ice in the evenings. These ice packs did the trick. The cold didn't last as long as I'd like, but it was enough to help keep my knees and ankles from swelling and helped with the strain/pain. When I cracked the first one open, it took a lot of strength and I was worried I'd break it wide open - but it didn't and thus I figured out how to best get the cold activated. These were certainly worth the cost and I'll buy them again and use them when I travel the next time (especially if there will be a lot of walking).

I ordered these after neck surgery. 3 of the 6 never activated, and the other 3 were so difficult to press, my husband had to do it. Terrible quality! I was given several (of a DIFFERENT brand to take home from the hospital, and they were simple to activate.

I tried to get several to work with the instructions & when one finally did it wasn’t very cold. It was like running cold water in to a bag. These did not work at all and a waste of money