Kao MegRhythm Gentle Steam Leg Patch
Perfect after a day where you're not able to move your legs for long periods of time, like the train or airplane. The best thermal therapy for instant relief on various leg aches whenever and wherever you go! It provides up to 40 degrees of heat to relieve muscle pain, soreness, and tension. Lasts about 30 minutes and unscented.
How to use:
Peel off the back plastic and press on your calves or the inner area of your feet.