Material: Made from high-quality gunmetal tungsten carbide, known for its exceptional durability, scratch resistance, and hypoallergenic properties Sleek Signet Design: Features a classic rectangular shape with a polished, flat top for a bold, refined look; perfect for making a statement or adding to any collection Comfort Fit Interior: Designed with a smooth, rounded inner surface for a comfortable and snug fit, ensuring all-day wear without discomfort Versatile Style: Ideal for a variety of occasions, from weddings and formal events to everyday wear or as a bold biker ring for men seeking a unique, masculine look 180-DAY SHELF LIFE: King Will provides 180-DAY SHELF LIFE service.Include all manufacturing defects and sizing.