The heat treatment is being described as Heat Therapy which involves exposing your body to high temperatures. The Thermophore Automatic Moist Heat packs are heating pads that help from your sinuses to your joints with moist heat. The Thermophore heating pads produce its own moisture by drawing moisture form humidity in the air and retaining it in the hot packs outer fleece cover which then delivers very intense moist heat. The Medi Beads Moist Heat pads are microwavable no wires, no cords and no boiling water. Zap the Medi Bead Moist Heat pad in the microwave for the desired time and you will have instant heat. The Drive Therma Moist Heat pad features Velcro type closures that secure proper fit for maximum heat treatment.