Treat your aching joints and muscles, or sore and stiff knees and elbows with this SoftHeat deluxe moist and dry heat pad. It works by gently warming up your sore muscles to improve blood circulation and relieve body pain. This home massage accessory heats up quickly and offers 4 heat settings. It can be used as dry therapy or with moist heat to relieve pain and stress. This electric-powered heat pad has a soft polyester cover. Spot clean.