As a warm material

Effective for up to 8 hours. Method of use: • Open the package, then remove the protective cover on the heating strip and stick the adhesive surface to the desired area on your underwear. • It will automatically start releasing heat when in contact with air. • Do not place directly on the skin. • Store the package in a cool, dry place. • This product is not medical, contains no medicines, and is for single use only.