Titanium Earrings: Implant grade titanium jewelry is known for being hypoallergenic, making it an ideal material for jewelry and accessories. It can be worn while swimming and is safe and comfortable for those with sensitive skin. If you're looking for a stylish accessory that will last, titanium is an excellent choice. Titanium Stud Earrings: This package includes 4 pairs of hypoallergenic pure titanium stud earrings. Features black, rainbow, blue, and AB titanium with cubic zirconia accents. The flat back design allows for comfortable wear, including while sleeping. Titanium Earring Size: 20 Gauge (0.8mm) with four round cubic zirconia sizes: 2mm, 3mm, 4mm, and 5mm. Shiny cubic zirconia is securely inlaid, offering a simple and delicate look. Features a precision internal thread for secure and smooth screwing. Hypoallergenic Stud Earrings: These screw-back earrings are made from pure titanium, ideal for sensitive ears. High-polished and smooth for comfortable all-day wear. Titanium resists oxidation better than stainless steel, maintaining shine and shape over time. Features AAA+ cubic zirconia inlays for a classic, fashionable appearance suitable for everyday wear. Perfect for Any Occasion: These 4 pairs of flat-back earrings are suitable for all ages and ideal for various occasions such as weddings, anniversaries, graduations, parties, and more. Easily match different outfits for a polished, elegant look. After-Sales Service: We are committed to providing high-quality jewelry and excellent customer service. We offer a 60-day exchange or money-back guarantee. For any inquiries, please and we will respond promptly with a satisfactory solution.