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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Fit + Fresh Cool Coolers Reusable Long Lasting Slim Ice Packs Perfect for Lunch Boxes, Camping Accessories, Insulated Lunch Bags, Beach Cooler Backpacks and More - Clear Blue - 4 Pack

Product ID: 725774487

Details

Brand
Fit & Fresh
Color
blue (clear
Material
Plastic
Package Information
Bag
Capacity
11.88 Cubic
Item Weight
1.25 Pounds

⏳Long-lasting cold retention for hours

🧊Slim 4.75" x 0.5" x 5" ice packs

♻️Reusable, BPA-free & leak-proof design

Description

🧊 Stay Cool, Stay Ahead – The Ultimate Chill Companion

VIBRANT VERSATILE - Clear blue packs add a bold pop of color while fitting perfectly in lunch boxes, backpacks, and totes.
SAFE ECO FRIENDLY CHILL - BPA-free, non-toxic materials ensure your food stays clean and safe, with easy hand-wash care.
SLIM SLEEK COOLING POWER - Fits effortlessly into any packed lunch bag or cooler without bulk.
DURABILITY FOR EVERY ADVENTURE - Leak-proof, reusable, and tough enough for beach trips, camping, and daily commutes.
ENDURANCE THAT OUTLASTS YOUR DAY - Keeps food and drinks fresh and cold for hours, even on the hottest days.

Fit + Fresh Cool Coolers are slim, reusable ice packs designed to keep your food and drinks cold for hours. Measuring 4.75" x 0.5" x 5", these durable, BPA-free packs fit seamlessly into lunch bags, coolers, and backpacks. Perfect for work, school, beach, or camping, they offer leak-proof, long-lasting cooling power with a stylish clear blue design.

Specifications

Manufacturer	Fit & Fresh
Model Number	336FF
Package Dimensions	18.3 x 17.2 x 5.8 cm
Material	Plastic
Color	blue (clear blue)
Size	Pack of 4
Package Weight	0.69 Kilograms
Batteries Required	No
Batteries Included	No
Material Care Instructions	Hand wash only
Brand Name	Fit & Fresh
Volume	3 Fluid Ounces
Capacity	11.88 Cubic Inches
Item Weight	1.25 Pounds

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