Ebene Bio-Ray Metal Support Knee Guard is helpful for post-surgery knee conditions, minor knee strains, arthritic knee problems, weak and overstressed knees. It is also suitable for the elderly, people who had undergone surgery, people who do sports, people looking for protection and people who sit and stand for long hours. Ebene Bio-Ray Metal Support Knee Guard contains Bio energy ingredients which can emit a Bio Energy Ray that penetrates deeply into the muscles (30mm) to stimulate the circulation of oxygen and blood. Blood circulation function to bring nutrients and oxygen through arteries to all cells and organs in the body, and remove toxic elements, waste, dead cells and carbon dioxide. Through this process of metabolism, energy is created for the growth and survival of human.EBENE Bio-Ray Knee Guard with TourmalineThe Ebene Bio-Ray technology is a far-infrared radiation (FIR) formed by natural mineral elements and trace mineral elements. FIR emitting materials help slow muscle fatigue and relieve pain.Ebene Bio-Ray helps heat energy penetrate up to 3-4cm below the skin.The product also contains Tourmaline which enhances FIR effects.Bio-Ray with Tourmaline provides more effective pain relief & promotes faster recovery from injuries.EBENE Bio-Ray Extra Strength Knee Guard• Promotes better blood and oxygen circulation with Bio-Ray Technology• Extra tourmaline for enhanced heat therapy• Intense pain relief• Provides support for knees• Soft, comfortable material customizable to personal fit