Mugwort knee patch is made from the traditional Chinese former plant mugwort Chuanwu and menthol. Natural plant extracts safe and non-irritating. Breathable and comfortable after pasting to the body part it will not give you wet and stuffy feeling. *Function: Quick relief of knee joint damage caused by sports knee injury overweight etc. leading to knee joint problems middle-aged knee problems knee colds bone growth ligament damage etc. *For external application clean the uncomfortable area with alcohols and then apply to the affected area. After application the applied part should be smoothed out by applying light pressure for 12 hours. *For topical application pain swelling and numbness in the knee joint should be cleaned and dried with alcohols or warm water and then applied to the affected area. After application the applied part should be smoothed out by light pressure for 12 hours of application. *Not suitable for people: Pregnant women nursing women and infants people with broken skin people allergic to mugwort. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material:Non-Woven Size: 30pcs/box: about 14.4 * 9.6cm*1.5cm