[Safe Ingredients: Our Knee Patch is made with botanical and safe herbal plant extracts providing the essence of various precious herbs Knee patches:This knee patch is scientifically backed to provide fast continuous and deep penetration warm. Self-heating patch design natural ingredients more assured to use. Easy to Use:- Simply clean the affected skin with warm water remove the protective film and then stick the patch on your painful area. Enjoy immediate ultimate relaxation Applicable People: knee patch is appropriate for middle-aged and senior citizens individuals engaged in manual labor fitness enthusiasts and others. As physical conditions may differ some users may experience a slight burning sensation or redness after application which is a normal occurrence. Safe & Efficient- The knee joint patch will self-heat and penetrate deep into the injured area of the muscle. Pure natural herbal ingredients without any side effects.]