Product Description: Made of 85% copper fiber and 15% elastic spandex, the copper content is 3468mg/kg and has excellent antibacterial function. It can be >= 99.9% bacteria. The copper fiber is added with antibacterial copper ions, which can be washed repeatedly without losing its function. Keep warm, promote blood circulation: It can keep the blood circulation of the hands at the warm, relieve pain and promote healing. COMFORTABLE DESIGN: The soft and breathable material keeps you warm and wicks away moisture effectively to keep your hands cool. You can wear them in all weathers and freely carry out your daily activities, mobile phone, computer, knitting, cooking, housework, etc. Applicable people: elderly people with osteopenia, people with manual activities heavy (offices and designers often use and write computers, students with heavy homework, students who write for a long time; staff in vans, bicycles, basketball, tennis, etc.).< /p> Disease Prevention: Prevent and relieve tendon, muscle and joint problems in the hands and fingers as naturally as possible, including but not limited to arthritis, fatigue muscle, stiffness, pain, soft tissue injuries and sports related injuries can also be used as an additional daily treatment.