MJ Metals Jewelry 8mm Black Ceramic Wedding Band Blue Carbon Fiber Inlay Comfort Fit Material: Ceramic - No Metal Irritation or Color Fading; Black Ceramic With Blue Carbon Fiber Inlay - Represent Integrity & Strength, Sensitivity & Protection in Marriage Craft: Comfort Fit technology allows this ring to slide smoothly over your finger Ring Width: 8mm; Ring Thickness: 2.4mm; Lightweight Design Ideal Wedding Band, Engagement Ring, Promise Ring for Men and Women. Best Gift for Him, Husband, Dad, Boyfriend & Gift for Her as well Free velvet bag included with each ring