Adjustable back / waist support cushions, compresses & supports while retaining therapeutic heat. May be used as part of a comprehensive weight loss program. Contoured design & fully adjustable Velcro closure assures optimum fit. Thermal neoprene wrap with nylon facing on outer side. PROTECTION LEVEL IA primary level of protection designed for: Support for a weak back, minor strains or pulls of the back or abdomen muscles. Helps relieve pain & promotes healing. NB: The above is a guide only, not a substitute for medical care. Always consult a doctor for injury diagnosis & treatment.