Chilly Paks. Ice Packs. Blue. Set 4.

These work great to keep my daughter's lunch cold from 7am when she packs her lunch until she eats at 12:20. She takes a frozen gogurt each day and says it's still cold when she eats lunch. I wouldn't want her taking something that could spoil and make her sick if I didn't trust that these work. They are compact and fit nicely in her lunch bag. I put 2 in and it doesn't add much to the weight. I haven't tried them for summer day camp yet, so not sure how long they would keep her lunch cool in the Texas heat. I wish they sold them in a square instead of rounded edges, it would just work a bit better in her lunch box but other than that they are good.

I got these for my boyfriend who is always on the road. He packs a big lunch box with several days worth of food and never knows when he's going to get to a hotel to actually put his food away. These ice packs are amazingly helpful in ensuring his food stays cold throughout the day until he can get his food in the fridge and the ice packs in the freezer for the next day.

Purchased items for my 12 year old daughter's lunch bag. Regular ice packs are extremely heavy and bulky in the lunch bag for school. These discs are lightweight and maintain its chilliness for her lunch. These discs do not sweat and wet the interior of the bag up like normal ice packs do. I also ordered a second pack in hopes that my husband will climb aboard the disc train. FYI, we use two discs for her Vera Bradley lunch bag, and it works well.

Where have these been all of my life? They're the perfect size and shape for dozens of applications. Coolers, lunchboxes, even first aid - these are awesome. Heck, you can use these to line foods in the fridge with in the event of an emergency or as a temporary portable cooling method for whatever you may need. These are some amazing ice packs - so much better than the massive blocks I have been freezing and refreezing for years. They're overdue for replacement and these are it. Expect me to order more after Christmas. For $5 a pack, you can't go wrong - you get 4 in a set.

Good for packing work/school lunches. I like the flat design.

These are much smaller than the standard ice packs I have used for years and I actually like the smaller size so I can sandwich them between items in the lunchbox. I am removing one star because the quality is not as good as I would have preferred. They don't seem like they will hold up long.

I purchased these back in August of 2016 in an effort to find an good alternative to the "Fit & Fresh Cool Coolers Slim Lunch Ice Packs - Set of 4" (The popular one with the Penguin on it that has over 3000 reviews) ice packs after they "broke" from normal wear and tear after a little more than two years use. I use these smaller packs as additional coverage to a couple larger ice packs to help keep my sandwiches and drinks decently cold in my insulated lunch bag. Considering the higher price point, I expected these to be built to last longer but I was wrong when I recently found out that they cracked in the middle all along the top side (where it gets filled) in both directions because of all the blue mess it made in my bag when I was cleaning it out at home.What makes it even worse is that I don't use all 4 at a time, I only use two and rotate them out to essentially spread out the wear and tear. I only work 4 days a week so that means each ice pack gets used twice a week. Upon inspection of the two I have left, they have cracks in the middle along the top as well, so I expect them to last not much longer. This is terribly disappointing considering when I was using the cheaper previous brand I mentioned earlier, they lasted roughly 4 times longer and that was when I was working 5-6 days a week.I don't write reviews often, but wanted to share with you all about my little experiment so you won't fall into the same pit as me. More expensive does not always equal better quality.

Love these ice packs. Since they are so flat I can stick one on the bottom and top of my sons lunch. They are still partially frozen when he comes home. I was so nervous buying ice packs cause you just don't know until you try them. These are amazing. We had gotten the "PackIt" lunch bag but it was way to heavy for my little guy to carry cause once the bag is frozen it is so heavy. These are a win win.