Herbal Comfort Mitts provide 100% all natural aromatherapy. Warm hands, warm heart! Mitts are filled with 12 healing herbs and the highest quality, natural grains available. The natural herbal content contours the curves of your hands and helps relieve stress, tension, cramps and muscle discomfort. Using Herbal Comfort Mitts promotes fast relief from joint and tendon pain. One size fits all. Microwave for instant hot therapy/chill for cold therapy. To clean, wipe with damp cloth. Do not submerge herb pac. To store, keep in dry, cool place in a resealable plastic bag to increase longevity.