... ,it has a light surface,catch only by one hand,good quality and treatment,use for many years.It is normal to ... is a good to which people with physically weak,cold and Lumbago, Arthralgia, Stomachache by cold, Physiological period Stomachache of ... etc.when weather being cold.Medical treatment: cure women dysmenorrheal,hand&feet cold, arthrosis,etc.Product characteristic:good quality,green environmental ...