Description Product Specifications: Material: Tungsten Carbide Ring Widths Available: 8mm Warranty: Lifetime Warranty Size Exchanges: UnlimitedLifetime Size Exchanges Fit: Comfort Fit Shipping Time: 2-4 Day First Class Mailer Returns: 30 Days Includes the following: Wedding Band Deluxe Wedding Ring Box Lifetime Warranty Read our Warranty Policy for Full Details. Engraving Font Choices