what is the length and width of them

3-1/2"x2"Note there are 10 packs each with 2 warmers. Total of 20 warmers of above dimensions.

Do these require *some* oxygen to work? We want to use them to warm high-altitude balloon electronics.

Yes, the heat is created through a chemical process which requires oxygen.

I bought a pack by grabber about 2 years ago where you could put a partially used warmer and then get it out later….is this still an option?

Once you open the package you have to use it. You can go back 3 or 4 hours later and re-shake the item and you should be able to finish using it.

Will they "go off" and get hot by themselves?

you do not need to shake them ..that will make them hotter faster but shorten the time they will last by a little. Seller Sports-Nuts

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Grabber Hand Warmers

Product ID: 14347395

Details

Size
Pack of 1
Brand
Grabber
Color
One Color
Material
Nylon
Recommended Uses For Product
Outdoor Hiking

⏳Lasts up to 10 hours

🎒Compact & TSA approved

🔥Up to 156°F heat

P695

Duties & taxes included

In stock

Sold byAmazon BotswanaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay warm, stay unstoppable — grab your Grabber Hand Warmers today!

LONG LASTING HEAT POWER - Stay cozy for up to 10 hours, perfect for all-day outdoor adventures.
TSA APPROVED TRAVEL READY - Carry on with confidence—these warmers are TSA approved and ultra portable.
VERSATILE OUTDOOR ESSENTIAL - Ideal for hiking, camping, tailgating, or even walking your dog on chilly days.
EFFORTLESS WARMTH ACTIVATION - Just remove, shake, and feel the heat in 15-30 minutes—no kneading needed.
ODORLESS DISPOSABLE CONVENIENCE - No smell, no mess—single-use warmth that’s easy to toss after use.

Grabber Hand Warmers are single-use, air-activated heat packs that deliver up to 156°F of odorless warmth lasting up to 10 hours. TSA approved and compact, they’re designed for hands and perfect for outdoor activities like camping, hiking, and sports. Simply remove from the package, shake to activate, and enjoy long-lasting heat without any kneading or fuss.

Specifications

ASIN	B007ID2ILQ
Battery Charge Time	7 Hours
Best Sellers Rank	#94,098 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #155 in Camping Hand Warmers
Brand	Grabber
Brand Name	Grabber
Charging Time	7 Hours
Color	One Color
Customer Reviews	4.7 out of 5 stars 4,528 Reviews
Global Trade Identification Number	00031626055891
Included Components	10 Hand Warmers
Item Type Name	Grabber Hand Warmers
Item Weight	15.5 Ounces
Manufacturer	Kobayashi
Manufacturer Part Number	HWPP10
Material	Nylon
Material Type	Nylon
Model Number	HWPP10DISPLAYUSA
Power Source	Air Activated Chemical Reaction
Recommended Uses For Product	Outdoor Activities, Camping, Hiking, Fishing, Hunting, Skiing, Snowboarding, Skating
Reusability	Single Use
Size	Pack of 1
Target Use Body Part	Hands
UPC	031626055891
Unit Count	1.0 Count
Upper Temperature Rating	156 Degrees Fahrenheit
Warranty Description	limited warranty

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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