I used these twice and then the substance has become solid. No matter how much I boil them, they get back to solid. Have others experienced the same?

It’s a chemical reaction sometimes it takes a little longer than others. Put it into a saucepan of water from cold and bring it to the boil and simmer eventually it will go I promise you. It can drive you up the wall waiting for it to change. It’s a good idea to put a wire mesh at the bottom of the saucepan so it doesn’t come into direct contact with the hot saucepan. This can melt the plastic The longer you leave it to recharge the longer it will take to change it back to A gel. I’ve never had one that one change back eventually usually the kids lose them.

How do you reheat them - can they be microwaved?

Cannot microwave them.Just pop them in a pan of boiling water for about 10 minutes to return them to original state. Found they only kept their heat for about 90 mìns after activation, which is not long for a round of golf.

Do you think they could be used goalkeeping?

Probably a little too large to go in goalkeeping gloves. There are smaller versions of the reusable handwarmer but in our experience they don't last long enough to be helpful.

Hello, you could use the hand warmers to warm up any part of the body, including feet.

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Lifesystems Reusable Hand Warmers, With 45 Minutes Of Heat, Perfect For Pockets When Camping, Hiking, Skiing Or Walking

Product ID: 51932786

Details

Brand
Lifesystems
Colour
Orange
Material
Plastic
Recommended uses for product
Dog walks Golf
Size
Pack of 1 pair

👜Lightweight 118g, pocket-ready

🔥45 min sustained heat

♻️Reusable & eco-friendly

Description

🔥 Stay warm, stay unstoppable — your pocket-sized heat hero!

LONG LASTING HEAT - Up to 45 minutes of soothing warmth at 54°C keeps you cozy through any outdoor adventure.
COMPACT PORTABLE - Slim, lightweight hand warmers fit effortlessly in your pocket or bag for anytime use.
EASY RECHARGE RESET - Simply boil to reset the crystallized gel—ready for your next chilly outing in minutes.
ECO CONSCIOUS COMFORT - Reusable design reduces waste, letting you stay warm while caring for the planet.
INSTANT WARMTH ON DEMAND - Activate with a simple click and squeeze for immediate heat—no waiting, no fuss.

Lifesystems Reusable Hand Warmers deliver up to 45 minutes of consistent heat at 54°C in a lightweight, eco-friendly design. Perfect for outdoor enthusiasts, these pocket-sized warmers activate instantly with a click and can be reset by boiling, making them a sustainable and reliable companion for camping, hiking, skiing, or everyday cold days.

Specifications

ASIN	B00SVDPGVG
Best Sellers Rank	36,161 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 52 in Rechargeable Hand Warmers
Brand Name	Lifesystems
Colour	Orange
Customer Reviews	4.1 4.1 out of 5 stars (2,767)
EU Spare Part Availability Duration	45 Minutes
Global Trade Identification Number	05031863424509
Included Components	Reusable Hand Warmers
Item Type Name	Hand Warmer
Item Weight	198 Grams
Lower Temperature Rating	54 Degrees Celsius
Manufacturer	Lifesystems
Manufacturer Part Number	42450
Material Type	Plastic
Model Number	42450
Number of Items	1
Power Source	Disposable Air-Activated
Product Warranty	2 year manufacturer
Recommended Uses For Product	Dog walks, Golf, Raynaud's relief, Skiing, Walking
Reusability	Reusable
Size	Pack of 1 pair
Target Use Body Part	Hand
Unit Count	1.0 stück
Upper Temperature Rating	54 Degrees Celsius

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