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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Slim Ice

Product ID: 274282125

Details

Brand
Fit & Fresh
Capacity
11.8 cubic
Color
Blue (4 Pack)
Included Components
4 ice packs
Item Weight
1.3 pounds
Material
Polypropylene

⏳Long-lasting chill power

♻️Reusable & leakproof design

❄️Ultra-thin 5x0.5x4.75 in

WS$135

Duties & taxes included

In stock

Sold byAmazon SamoaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Stay cool, stay fresh — the ultimate slim chill companion!

SAFE DURABLE - BPA-free, leakproof, and built to withstand daily use
SLIM SPACE SAVVY - Slides effortlessly into any lunch bag without bulk
ALL DAY CHILL POWER - Engineered to freeze fast and keep food fresh longer
TRUSTED TOP RANKED - #2 in Camping Cooler Accessories with 4.7⭐ from 33K+ users
VERSATILE EVERYDAY ESSENTIAL - Perfect for lunch boxes, coolers, totes, and travel

Cool Coolers by Fit & Fresh Slim Ice Packs are ultra-thin, reusable freezer packs designed to maximize cooling efficiency while saving space. Each pack measures 5” x 0.5” x 4.75” and is made from durable, BPA-free plastic that’s leakproof and easy to clean. Engineered for fast freezing and long-lasting chill, these packs keep food and drinks fresh all day in lunch boxes, coolers, and totes. Trusted by thousands, they’re the go-to solution for professionals and families seeking stylish, reliable cooling on the go.

Specifications

ASIN	B0057PDZJ6
Additional Features	Leak Proof, Portable
Best Sellers Rank	#203 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Camping Cooler Accessories
Brand	Fit & Fresh
Brand Name	Fit & Fresh
Capacity	11.8 cubic inches
Chamber Depth	0.5 inches
Chamber Height	0.25 inches
Color	Blue (4 Pack)
Container Type	Bag
Customer Reviews	4.7 out of 5 stars 34,119 Reviews
Global Trade Identification Number	00700522117582
Included Components	4 ice packs
Insulation Material Type	Plastic
Item Dimensions D x W x H	2"D x 2"W x 5.25"H
Item Highlight	Long-Lasting Powerful Freeze, Space Saving, BPA-Free, Freezer Packs for Coolers, Lunch Boxes, Camping, Beach & Travel
Item Type Name	Cool Coolers Slim Ice Pack
Item Weight	1.3 pounds
Manufacturer	Fit & Fresh
Manufacturer Part Number	336FF
Material	Polypropylene (PP)
Material Type	Polypropylene (PP)
Model Name	Cool Coolers Slim Ice
Model Number	336FF
Number of Items	4
Number of Packs	4
Package Information	Bag
Pattern	Solid
Product Care Instructions	Wipe with Damp Cloth
Product Dimensions	2"D x 2"W x 5.25"H
Recommended Uses For Product	Beach, Camping, Cooler Accessories, Lunch, lunch bag, coolers, lunch tote, lunch Box,
Shell Type	Plastic
Size	4 Pack
UPC	700522117582
Unit Count	4 Pack

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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