MendMeShop.com T. Shellz for deep tissue healing. Electromagnetic Energy Heat Wrap for Back & Hip to increase healing rate of soft tissue via enhanced stimulation of blood circulation. For soft tissue injuries including Sciatica, Tendonitis, Pulled Back, Over Extensions, & Muscle Strains. FDA registered. Hand washable. Fits Groin, Chest, Hip, Lower & Mid Back. Includes Manual & Box.