These cute and dainty screw-back stud earrings feature a unique white fire opal inlay for a delicate and elegant look. Crafted from 925 sterling silver and opal, they are nickel-free, lead-free, cadmium-free, and hypoallergenic, making them perfect for sensitive ears. The stud diameter measures 0.28 inches (7 mm), offering a subtle yet stylish accent suitable for all women. The secure screw-back design features an internal thread mechanism, ensuring a snug fit without pressure on the earlobes. This prevents loosening or falling off, providing peace of mind while remaining easy to put on and remove. We stand by our product with a 100% return or exchange policy within the specified timeframe. If you encounter any issues, our customer service team is ready to assist you.