3 Machine Cut Cubic Zirconia, Black Finish, Comfort fit, 8mm width, Size 8 to 13, Heavy Duty Tungsten Construction, Hypoallergenic and Durable. Includes Designer Gift Box and Free Shipping. Style SR9652 Brand: Oravo Design: Gemstone Style: Bands & Sets Resizable: No Adjustable: No Size/Dimensions: 8 Gift Box: Gift Box Material: Tungsten