1.??YOUNGER AND PRETTIER?? Main material is 100%Copper oxide fiber. Copper can relieve arthritis pain, reduce muscle tension, improve blood circulation, better sleep and so on.You deserve a copper pillowcase to live in a healthier life.2.??DOCTOR RECOMMENDED?? Copper is closely related with hypertension. It’s beneficial for us to prevent hypertension to use copper pillowcase, doctor recommended. In addition,?it effectively alleviate pain, reduce inflammation and improve blood circulation.You can use it almost 4 seasons. Cool in summer and warm in winter.3.??DURABLE AND CONVENIENT DESIGN??The copper pillowcase is silky soft and very comfortable. The back has cover for the pillow. It is very easy and convenient to use with Envelope Closure.4.??GOOD QUALITY??The copper pillow cover is made of superior copper fabric which is very soft and healthy.It does much good to your skin and hair. It can be washed and still keeps same function after numerous washing. It will not easily wrinkle and fade and it is very easy to care for.5.??NO RISK SHOPPING??Please trust us, you will love this pillowcase when you see it in reality. If you are not satisfied with it, we promise 100% money back. We just want to make you a happier and healthier life.