warmed insole cold protection in winter self-heating insoles warmed insole disposable foot warmer heating stickers wholesale in stock

Product Name: Self-warming Soles

Average temperature: around 45 degrees
Duration of fever: 5-6 hours
Main ingredients: iron powder, activated carbon, vermiculite, inorganic salts, pure water
Product sizes: Women’s (35-39), Men’s (40-44)
Warm reminder:
Before use, expose the insole to air for 30 seconds to heat up more quickly.
This product begins to heat up as soon as it comes into contact with air; do not remove it when not in use.Opened in independent packaging
No need to remove the insole cardboard or knead it before use; simply place it directly inside the shoe.
· When exposed to the external environment, the temperature increases appropriately, and the duration decreases accordingly. For disposable products that are used once and discarded, please take care to protect the environment.