Materials: Made from silicone and decorated with metal covers. Special designs: Stylish and unique with sparkling sequins for an attractive look. Versatile styling: Pairs well with backless, strapless dresses, swimwear, wedding gowns, sheer clothing, and other outfits. Suitable for various occasions: Ideal for daily wear, club events, cosplay, performances, fashion shows, and more. Perfect gift: Easy to use and compact enough to carry in a handbag. Great for Valentine's Day, weddings, anniversaries, and parties. Specifications: Materials: Silicone, Metal Color: 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 Package includes: 1 Pair Metal Nipple Covers Note: Please allow 1-2 cm measurement deviation due to manual measuring. The actual color may vary slightly due to monitor display differences.