Provides soothing warmth and pain relief to tired, aching feet. Ideal for arthritis, tendonitis, stiffness, chronic cold feet and sore or aching feet. Heats quickly in microwave. One pair microwavable slippers. Non-toxic. Latex free. Cozy fleece liner. Premium natural grain distributes heat evenly and conforms to the shape of the feet for effective pain relief. Can be heated over and over in microwave.