Do they stay warm the full 18 hours (assuming 32 deg F ambient)? If not, how long?

I've used them for years and have always found them to work at least 12+ hours. Primary use has been in my sleeping bag when it's better 30°-40°F. Definitely a good buy in my opinion.

What is the typical expiration date? I bought this in January 2013.

The ones that I bought in April 2013 have an expiration date printed on them of Nov. of 2017. If you look at the description of the 'Hothands 40 Count' here on Amazon, it says "individually sealed in airtight packages to guarantee a shelf life of six years." I don't know personally how true that would be, because I use them all within months of getting them, but you could go to the Hothands website (Hothands.com) and see if they have any more info.. Hope this helps!

Is it 40 pairs as in 80 total or just 40?

It’s 40 individual pads. They are great!!

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HotHands Body & Hand Super Warmers - Long Lasting Safe Natural Odorless Air Activated Warmers - Up to 18 Hours of Heat - 40 Individual Warmers

HotHands Body & Hand Super Warmers - Long Lasting Safe Natural Odorless Air Activated Warmers - Up to 18 Hours of Heat - 40 Individual Warmers

Product ID: 232224572

Details

Brand
HotHands
Colour
Multicolour
Material
Polyester
Recommended Uses For Product
Hiking Skiing
Size
3.5 x 2.5

🎒Compact 3.5x2.5 inch size

🔥Up to 18 hours of heat

🧴Odorless & natural formula

Description

🔥 Stay warm, stay unstoppable — your secret weapon against the cold!

POCKET READY POWER - Compact and lightweight 3.5 x 2.5 inch warmers fit discreetly in your hand or gear—warmth on demand.
TRUSTED BY THOUSANDS - 4.8-star rating from over 17,000 users proves reliability in the coldest conditions.
PURE COMFORT ZERO ODOR - Natural, odorless formula ensures warmth without any distracting smells—perfect for professional outdoor use.
ENDLESS WARMTH NO HASSLE - Air-activated technology delivers up to 18 hours of consistent heat—stay cozy all day.
VERSATILE COLD WEATHER ESSENTIAL - Ideal for hiking, skiing, hunting, fishing, or any outdoor work—never let the cold slow you down.

HotHands Body & Hand Super Warmers are single-use, air-activated heat packs that provide up to 18 hours of safe, odorless warmth. Compact and durable, these polyester warmers are perfect for outdoor enthusiasts and professionals working in cold environments, backed by a 4.8-star rating from nearly 18,000 reviews.

Specifications

ASIN	B0007ZF4Q8
Best Sellers Rank	#287,678 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #1,303 in Face Masks (Car & Motorbike)
Brand	HotHands
Brand Name	HotHands
Colour	Multicolour
Customer Reviews	4.8 out of 5 stars 17,880 Reviews
Global Trade Identification Number	00094733152433
Item Weight	2.13 kg
Material	Polyester
Material Type	Polyester
Recommended Uses For Product	Hiking, Skiing, Hunting, Fishing, Working in Cold Conditions
Reusability	Single Use
Size	3.5 x 2.5 inches
UPC	094733152433

Reviews

A**R

Good Size

19.03.2023

N**G

Warm and long lasting

26.12.2025

A**R

Yes Get Them!

16.12.2025

A**R

Great warmers

15.03.2026

M**D

Ein warmer Bebleiter

Bereits zum 4 Mal nachgefüllt. Sehr praktisch und in allen Situationen eingesetzt. Immer ein warmer Begleiter, wenn es irgendwo zwickt und wehtut.

27.09.2025

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