Officially Licensed Coast Guard Tungsten Carbide Ring 8mm Wedding Band Anniversary Ring For Men And Women STRENGTH: Made of 100% pure Tungsten Carbide. One of the strongest elements known to man. Worry not about heavy activities. Totally scratch and shatter proof exterior that ensures smooth finish for a long time. Could be used as a family heirloom. UNIQUE: We make sure our design stands out by its uniqueness, created carefully by our designers and engraved in high quality measures VERSATILITY: Adaptive to whoever shall wear it. Men or women. It gives the bearer the characteristics of whichever design is on the ring. PEACE OF MIND: You're covered by our 30 Day satisfaction guarantee. Love our US Coast Guard Ring in 30 days, or get your money back. No questions asked.