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Instant Re-usable Heat Packs Use them over and over again!
Our reliable, reusable, portable heat packs provide instant heat - ideal for relieving aches, pains, cramps and discomfort; for warming up cold hands or feet on winter days; even for keeping food warm.
The Science: Harnessing the power of 'super cooled liquids', Instant Heat Packs contain sodium acetate and water. Sodium acetate is very good at super cooling - it ‘freezes’ at 130º F (54º C), but will exist as a liquid at a much lower temperature and is extremely stable. Clicking the small disc inside forces a few molecules to change to the solid state, and the rest of the liquid quickly follows until the temperature of the solidifying liquid reaches 130º F. Using the Heat Packs couldn’t be simpler: the product has 2 forms, liquid (soft, jelly-like & translucent) and crystallised (firm & opaque). The liquid state is the ‘Ready For Use’ state, and can be activated anytime, anywhere. Click or flex the little metal disc inside the pouch, and you see crystals forming and feel heat being generated immediately. While the liquid is going through the crystallisation process, it's helpful to massage or knead the pack with your fingers (which can actually be a therapy in itself). The liquid becomes firm to the touch and opaque rather than translucent. The Heat Pack is now at 54º C, so, although it's safe for everyone, including children, the elderly and the infirm, care must be taken, as with any hot object. The pack remains warm for some time, although this will vary according to the ambient temperature etc. When the pack has cooled down, it can be ‘reset’, ready to be used again, by being placed in a pan of boiling water, and boiled for 5 -15 minutes (depending on the size of heat pack) until all the crystals have gone. Leave to cool and it's ready for use again. It can be chilled in the fridge, but must not be frozen.

Foot Pals
Size: 275mm x 90mm 11" x 3 1/2" Colour: Purple, Blue, Red & Pink £12.00 per pair


Neck & Shoulder Packs
Size: 450mm x 200mm 18" x 8" Colour: Purple, Blue, Red, Yellow & Pink £21.00 each

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