Hit it out of the park with the Knockout Cuff! Available in both gold and silver, this cuff is destined to be the MVP Stainless steel/18K gold and silver plated Water/sweat proof TARNISH FREE Avoid harsh chemicals, cleaning agents, perfume, etc. as that may cause discoloration as with any soft metals. Clean your jewelry regularly with a soft cloth to restore shine. Please check our FAQ page for details.