Please follow detailed usage instructions on directions and warnings leaflet.

Heating:  Microwave (800W) - 2 minutes, reheat at 30 seconds if necessary; Oven (Set at 100 degrees Celcius) - Heat for 30 minutes.

Test product to be desirable temperature before wearing over your feet with socks on.  Enjoy 30 minutes of warmth, relaxation and herbal aroma.