How to use this ice pack, and how many hours does it stay cool?

Mine only lasted about 45 minutes... Last month I bought another brand of backpack for my daughter, Scothen backpack cooler, it came with 12 ice packs that lasted 3 hours and was very light, I would recommend it!

What's the difference between the "solid" and the "ice packs" patterns? I cannot see a difference in the picture or the description. Restocking?

The description lists solid and ice packs as a pattern so I don’t think there’s any difference in the type of product. I ordered the green and they are perfect for lunch box/small coolers.

Can these fly on an airline

Yes you can fly with these on a plane. But there are specifications. If it's in your checked baggage NOT carry on you can have as many as you want. Now for your carry on luggage, as long as it is completely frozen you can have as many as you want but again must be 100% frozen. If it is partially thawed then it no longer is considered a solid but now a liquid. And as a liquid it must be under the 3.4 ounce allowed and in your 1 quart sized bag for liquids. And I'm not sure how much liquid they actually contain. Hope this helps.

How long can they stay cold?

I can tell you I keep 2 in my lunch bag for work and everything stays cold for 6 hours, from when lunch is packed and when I actually get to eat it 😁 hope this helps answer your question.

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Description

❄️ Stay chill, stay ahead—because your lunch deserves the coolest edge!

POWERFUL COOLING - Keeps your food and drinks icy fresh for hours, even on the hottest days
ULTRA SLIM DESIGN - Sleek 0.5-inch profile slides into any packed lunch or cooler without bulk
DURABLE REUSABLE - Built tough with BPA-free, break-resistant plastic for endless outdoor adventures
VIBRANT VERSATILE - Bold clear blue adds a pop of color while fitting perfectly in lunch bags, coolers, and totes
MESS FREE LEAKPROOF - No more soggy bags—engineered to stay sealed and clean

Cool Coolers by Fit & Fresh offers a 4-pack of slim, reusable ice packs measuring 4.75" x 5" x 0.5" that fit seamlessly into lunch bags and coolers. Designed with durable, BPA-free plastic and leak-resistant technology, these ice packs keep food and drinks fresh for hours without mess. Perfect for work, school, beach trips, or camping, they combine powerful cooling performance with a sleek, space-saving design and a vibrant blue hue.

Specifications

Brand	Fit & Fresh
Color	Clear Blue
Material	Plastic
Package Information	Bag
Capacity	11.88 Cubic Inches
Product Dimensions	0.5"D x 5"W x 4.75"H
Item Weight	1.3 Pounds
Special Feature	Leak Resistant
Included Components	4 Ice Packs
Recommended Uses For Product	lunch bag, coolers, lunch tote, lunch Box,
Model Name	Cool Coolers
Product Care Instructions	Hand Wash
Pattern	Solid
Insulation Material	Plastic
Chamber Depth	0.5 Inches
Chamber Height	0.25 Inches
UPC	700522117582
Size	Pack of 4
Manufacturer	Fit & Fresh
Item Package Dimensions L x W x H	7.2 x 6.77 x 2.28 inches
Package Weight	0.69 Kilograms
Item Dimensions LxWxH	0.5 x 5 x 4.75 inches
Brand Name	Fit & Fresh
Suggested Users	unisex-adult
Number of Items	4
Part Number	336FF
Style	Casual

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