Copper Comfort Copper Infused Compression Brace for Hands The lightweight and breathable Nylon, Copper and Spandex material is made with a 30% Copper infused fabric, which contains real copper. The gentle effective compression helps support the wrists and helps increase joint and muscle mobility. Includes 1 brace glove; Works great to relieve pain in arthritic hands. Specifically designed to allow mobility in your daily activities without limit or pain. Machine washable, this One Pack is One size fits most Adult hands.