Tungsten carbide faceted bangle bracelet electroplated in a bronze tone color. Tungsten carbide is hypo-allergenic. Its high resistance feature lets the bangle stay brand new all the time. Matching tungsten carbide pendant in the same color tone is available. Inner diameter is 60mm. (Can fit your wristband as long the measurement of your knuckle is not greater than 60mm /7".)Measurement: 2.5mm (W) x 7"