[​Premium Material & Safety] Crafted with hypoallergenic alloy and lead-free rhinestones, this choker necklace is nickel-free and safe for sensitive skin. Passed 100+ hours of tarnish resistance testing. ​[Adjustable Sizing for Perfect Fit] Total length 30cm (11.8in) with 10cm (3.9in) extension chain, suitable for neck sizes 14-18 inches. Lightweight design ensures all-day comfort. [​Versatile Styling & Occasions] Elevate outfits from casual jeans to evening dresses. Ideal for proms, weddings, clubbing, or as a birthday/Christmas gift. Pairs with earrings for a matching set. ​[Durability Guarantee] Anti-oxidation coating prevents fading. ​[Care Instructions] Store in dry pouch included. Clean with microfiber cloth only. Avoid contact with perfume, sweat, or water during exercise.