Attributes

Brand	-
Category	Home Appliances / Hand Warmers
Origin	-
Brand	Seoul Warmth
Material	Non-woven Fabric & Iron Powder
Size	Extra Large (13cm x 9cm)
Heat Duration	Up to 12 Hours
Maximum Temperature	53°C (127°F)
Activation Method	Air Exposure (Self-Heating)
Package Quantity	10 Pairs per Pack
Scent	Odorless
Recommended Use	Outdoor Sports, Commuting, Study
Country of Origin	South Korea

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Reliable and safe

Very impressed with the quality. The adhesive backing holds well on the inside of my jacket, and the temperature never gets uncomfortably hot, just pleasantly warm.

Anonymous

Mar 23, 2026

Rating: 4/5

Good value for money

You get a lot of pairs in the pack, and each one lasts a full day. Took about 10 minutes to reach full heat, so activate them before you head outside.

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect for long study sessions

As a student who walks to campus every day, these hand warmers are a lifesaver. They stay warm for the entire duration of my classes and fit perfectly in my coat pockets without being bulky.

Anonymous

Mar 17, 2026

Rating: 5/5

Korean quality shows

These feel much more durable than generic brands I've tried. The packaging is nice, and the heat distribution is even across the entire pad.

Anonymous

Mar 10, 2026

Rating: 4/5

Great heat, slightly large

The heat output is fantastic and very consistent. They are indeed extra large, which is great for warming up cold hands quickly, but might be too big for very small gloves.

Anonymous

Mar 07, 2026

Rating: 5/5

Best winter purchase

I bought these for a skiing trip and they exceeded expectations. No leaks, no weird smell, and they kept my hands toasty even in sub-zero temperatures.

5 FAQ

Q: Is there an expiration date on these?

A: Yes, each packet has an expiration date printed on the back. For best results, please use them before the indicated date, usually valid for 3 years from manufacture.

Q: Do they work well in extreme cold like -20°C?

A: Yes, they are designed to function effectively in freezing conditions. However, extreme cold may slightly reduce the total duration of heat, though the temperature output remains stable.

Q: Can these be used directly on skin?

A: While they are safe, we recommend placing them on the inside of your gloves or clothing to prevent potential low-temperature burns, especially if you have sensitive skin.

Q: How long does it take for them to start heating up?

A: Once exposed to air by opening the package, the warmers typically begin to generate heat within 5 to 10 minutes, reaching optimal temperature shortly after.

Q: Are these reusable?

A: No, these are single-use disposable hand warmers. Once the chemical reaction completes after about 12 hours, they cannot be reactivated.

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