A cold-prevention band made by TEIJIN that promotes blood circulation by warming your wrists and ankles. - Product Name: Hie-tori-kun (Cold-prevention Buddy) - Size: M [Hie-tori Band NEW Hie-tori-kun] For hands and feet, set of 2, far-infrared, TEIJIN material, for cold sensitivity, warming activities, ankles, wrists, warm goods, copper fiber, deep-sea minerals, Hie-tori-kun ・Recommended for people like this! Those troubled by cold Those who want to take care of their body Those who do standing work Those who do sports Those who do desk work ■ Quality Display Outer fabric: 100% Nylon Filling: 100% Polyester (TEIJIN Warmal) Lining: 58.8% Polyester, 41.2% Copper thread