Color: Orange Built-in germanium ore for anti-static properties. Measures against static electricity. Enjoy coordinating fashionably while taking measures against static shocks. Stylish even when wearing two. Uses 304 stainless steel. Two 99% germanium ore pieces are built into the inner side that touches the skin to prevent static electricity. *The anti-static effect varies depending on the individual, environment, and usage conditions. ■Materials: Stainless steel, germanium ore ■Suitable size: Wrist circumference: 14-18cm ■Color: Orange