Delamu Freezer Packs, 8 Pack Ice Pack for Lunch Box Reusable & Long-Lasting Ice Pack Easy Fill Ice Packs for Coolers Leak-Proof Ice Packs Lasts 8-10 Hours for Lunch Bags and Coolers, 7.1in x 7.1in

Super easy to fill up. It said 16 oz, but that would have over filled the bag. Just use your own judgement. I stopped pouring when the water reached the lid.The daycare our infant goes to doesn't have a fridge in the nursery. Parents are to send the bottles of milk in a lunch box. I knew normal ice packs for lunch boxes weren't going to but it. My sons special formula is too expensive for me to risk there being any issues with temperature. We packed two ice packs with 3x 6 oz bottles between the ice packs. When I got the bag back (9 hours after packing), the last bottle with milk was just as cold (or colder) that it would have been coming out of the fridge. Definitely satisfied with the cost and performance.

I really like these ice packs. They are well made and easy to setup. So far they have done a much better job than the Coleman ice packs I used in the past. I think one or two Coleman packs cost what eight of these packs cost.I use one in my lunch box every single day and the pack still has a good chunk of ice within at the end of the day. Some eleven hours after I packed my lunch.I've used two of these in the same cooler to carry cold water and pop on motorcycle rides. I live in the desert and even after an entire day of riding I have cold water.I love these packs. They are the best I've found so far.Edit: 2.5 years later. I still love these. I've had one, that I used every single day finally start leaking recently. I still think these are the best.I used four of them in a 24-can soft-cooler and They lasted for two days on my motorcycle in the desert. They last the entire day in my work cooler and I don't even always close the lid during the day. They are really fantastic.I wonder if those who complain they don't stay cool are even adding water to them?

These are fantastic little ice packs. They come without any liquid in them. You add 2 cups of water and then insert the plug and screw the cap on. It takes an hour or so for it to get up and then they are ready to freeze. They last much longer than Ice and take 24 hours to fully freeze. They seem sturdy but time will tell and I’ll be sure to update if they aren’t.Definitely recommend these as you get them for such a great price. Way better than ice!

Fast shipping! Using first time today. Easy fill with included funnel!Update: don’t waste your money. I can not tell any difference from ice. You can fill zip bags with water and freeze. Two inside my small Coleman cooler to keep gummy vitamins from melting-two brand new bottles of melted GOO! Another $25 down the drain on vitamins never even opened and it’s only 2pm!

Best icepacks I've ever owned. I rarely put them back in the freezer fully defrosted and never completely cold. They keep my food fridge cold and I don't have to worry about wasting food in a lunch box. I can just put it back in the fridge. I wish there were a smaller size, but these are reasonably small enough to make work even in a small lunchbox.

Easy to put together, freezes well too. Doesn't keep anything cold. Maybe if used in a tiny lunch box cooler it would work. I put all 8 in a 24 can size cooler..about two hours in everything was going warm, including food and drinks.

I was thinking these would be flatter, so not as easy to use as I thought they would be. They were fairly cheap, so its a decent value. They also don't seem to stay frozen very long. After 4 hours they are barely cold, definitely not still frozen.

No issues with this item. Can last all day as expected. There's no leaks when melting as well.

I opened the pack when it got sunny and there were no stoppers in it so they can't be used. Waste of money.