RAINBOW Dry Ice Packs for Shipping Long Lasting, Reusable Cold Ice Pack Sheets for Lunch Box, Flexible Dry Ice Packs for Coolers, Dry Ice for Shipping Frozen Food, 24 Ice Cells Each Sheet, 4 Sheets

I use these dry ice sheets for shipping chocolate products for my small business during the hot summer months. They are very convenient to use. I cut them into smaller sizes, soak them in water for about 10 minutes and then freeze them for about 24 hours and they are ready to use. I use mylar blankets to wrap my product in with the ice packs and they last for a long time keeping everything cool. These dry ice sheets will do a good job of keeping food and beverages cold for an extended period. They stay frozen for a long time. One of the best features of these dry ice sheets is their ease of use. They come in a flexible sheet form, which can be cut to size or shaped to fit around various items. This adaptability is fantastic for packing coolers efficiently. They are also lightweight, which is a significant advantage for camping and traveling. The reusability factor is a major plus. Unlike traditional ice that melts and needs replacing, these dry ice sheets can be refrozen and reused multiple times. This not only saves money in the long run but also reduces waste, making them an environmentally friendly option. The only downside I encountered was the initial cost. Dry ice sheets are more expensive upfront compared to regular ice packs. However, given their effectiveness and reusability, I believe the investment is worthwhile. Additionally, they can be harder to find in local stores, so purchasing online may be necessary. Overall, I highly recommend dry ice sheets for anyone needing reliable cooling solutions, whether for camping, picnics, or transporting perishable items. They offer superior cooling performance, are easy to handle, and provide excellent value over time. Despite the higher initial cost, their effectiveness and reusability make them a great addition to any cooler setup.

My family took a road trip across our state and we needed ice packs to transport frozen food. I bought these and followed the directions to create ice packs. Comes a a sheet and you can cut to any size that fits your needs. Soaked in the bathtub as directed and the placed in freezer. Next day they were solid ice packs. Lasted for our five hour trip. Still frozen solid when we arrived. Put in freezer in our AirBnB and used again on the way home. Still frozen. The only thing I didn't like is that you can't deflate them and they don't melt. I figured they might grow bacteria inside if I tried to store them until next use so I didn't save them. Other than that they were awesome.

Good product, easy to use, and does exactly what it’s supposed to do. Everything worked as expected and I had no issues. I would recommend it.

I think these are pretty awesome. They swell up fairly good sized creating a nice amount of cold mass. I use two sheets in my lunch box. Each sheet is perfectly sized to lay flat in the box. I lay one sheet on the bottom, put my container of leftovers, usually a string cheese or single server pack of cottage cheese then place another sheet on top. This keeps my lunch cold for the next 6+ hrs. Often the cottage cheese is very firm when I go to eat it. More so than if I ate it out of the fridge. The only thing I don't care so much about is, the absorbent bubbles do over time lose mass. You can resoak them but they don't seem to restore to the same size as a new sheet does. Eventually after probably four or more months of daily (M-F) use, they're be down to maybe half their initial swelled size. They still keep my lunch cold but not as cold. so I'll just toss 'em and soak two new sheets. Also occasionally a bubble will break open at a seem and ooze the absorbent gel. When this happens I just cut out that bubble. When it gets down to three or four cut out from a sheet, I'll just toss it and soak a new one. Overall I think it keeps my lunch colder because the mass is spread out across my whole lunch box, not just one or two concentrated blue ice packs. Their flexibility allows them to mold around a bit and sit closer to the food.

I ordered these small ice packs for my catering business. I had to travel an hour. These ice packs made my food safe and well kept on ice. I would highly recommend these packs

They soak up water to their capacity in 5min or less and need plenty of water. They don't leak as they thaw. I've lined a soft sided cold pack/bag, first with bubble wrap then with single layer of these frozen packs on the bottom and sides, completely, then filled with hard frozen meats, added 2 layers of frzn packs, then bubble wrap on top, zipped shut and traveled 6hrs by car. Meats were still solidly frozen on arrival. Then I refroze these packs. An extra freezer helps with storage. The water in these packs will evaporate eventually but they need to be placed on a rack in circulating air to prevent mold. Do not stack when wet, freeze separately, or they freeze together and will tear if pryed apart. They can be stacked in a freezer if already frozen.

Seller product pics show comparison to other brands and make a claim that this stays cold upto 72 h (vs 48h for other brands). I even asked seller if they had actually tested this and received a sort of covoluted response. Still decided to give it a try. Does not hold cold even up to 24h. It might just help with keeping stuff cold for a few hours. And as some others have mentioned this certainly cannot replace dry ice (not that cold and will hold that long). Also once puffed up with water it will stay that way even for future use..so it will take up a lot of freezer space.