The rib at the middle has a Cubic Zirconia sets around the band and the high polished finish edges contrasts with the matte satin finished center. Stainless Steel is 100% hypoallergenic and wont rust or tarnish. Brand: Tioneer Design: Novelty Style: Bands & Sets Resizable: No Adjustable: No Size/Dimensions: 9 Gift Box: Gift Box Shape: Round Oval