This amazing, cool new product, developed by Dr. Steven L. Rosenberg, a podiatrist, was designed to provide an instant solution to foot pain. So, kick your shoes off relax and be soothed. Place them on the floor and rest your feet on top, slip them into a pair of slippers or place them in the enclosed Cool Soles Wraps and wrap them around your feet. No matter how you apply it, this unique temperature — sensitive reusable gel insole provides cold or hot therapy for your feet. Freeze them or heat them in the microwave. They can also be applied to any painful area of the body.