14K Two Tone (White and Yellow) Gold Celtic Infinity Knot Men's Comfort Fit Wedding Band (6.5mm) SOLID GOLD AND COMFORT FIT: 14k Two Tone Gold alloy with 58.5 percent pure gold. Tested (assayed) to ensure quality before they are shipped. FREE RING ENGRAVING: just email your engraving message CUSTOMIZED IT: This rings are available in all sizes including quarter and three quarter sizes and can be customized per your desire. MADE IN U.S.A: Designed and hand crafted in California. WARRANTY: Comes with a Limited Lifetime Warranty and a beautiful Jewelry Ring Box.