A black CZ stone offsets a champaign CZ creating an everlasting infinity loop, reminding us of balance, and focus, and that our possibilities are limitless. Tarnish Free - Long lasting protective coating safeguarding your jewelry from sweat, water, and more. 5x more gold that standard 18k gold plating over brass Hypoallergenic – Lead Free Black Cubic Zirconia Band width approx. 2mm Sizes 6, 7, 8