Soft copper support with real copper threads woven into them to help improve circulation, keep joints warm & soothe away pain & stiffness. Extremely supportive elasticated material fits snugly like a bandage. With 19% copper content the help increase blood flow directly around the whole of the painful joint. Can be washed as often as needed. Once you've worn a Copper Back Support, you'll never want to be without one. Tailor made for painful joints Soothe away pain & stiffness Woven copper content 19% Easy-care washable material