Easy Comfort switch- most popular switch design, giving the use the most control over the temperature of the pad. Squeeze it to heat and release to cool down.
Fleece Cover with Moisture-Sure- technology enhances heat penetration. You don't even need to add water for effective moist heat that reaches deep into the source of your pain.
No chemicals, messy creams or concerns about side-effects. Use as often as needed to take control of pain before it intensifies and begins to control you.