Heat pack for knee

Heat pack for knee
Heat pack for knee has many names, such as Heating pad, Heat Pack, Warmer pack, Instant Heating, Disposable Body Warmer.
What’s heat pack for knee?
The details are as follows:
Specifications:
Size: 95X70mm
weight: 26g/pc
Heating Last: 10hours
Average Temp: 55C
Max Temp: 65C

Material: Iron Powder, Water, Vermiculite, Activated Carbon and Salt.etc

Shelf Life: 3years
Storage: Keep in dry, cool place and avoid direct sunlight
Its features: All natural ingredients
Air Activated
No batteries, no microwaves, no fuels