Material of Bracelet: Quality Alloy Bracelet with 18K White Gold PlatingDiameter of Crystal (Black Bracelet): PP13(1.9・mm)Number of Crystal (Black Bracelet): 16pcsDiameter of Crystal (Blue Bracelet): PP13(1.9・mm)Number of Crystal (Blue Bracelet): 16pcsDiameter of Crystal (Pink Bracelet): PP13(1.9・mm)Number of Crystal (Pink Bracelet): 10pcsLength of Bracelet: 225mmExtension Length: 30mmSuitable for Wrist Length: 190 to 220mm Verify the AuthenticityEach of our products that are made with Crystals from Swarosvkiｮ comes with the authenticity tag.The Swarovski Seal comprises the latest security features. Apart from its hologram effect, every seal tag and sticker has a unique 16 digit code that can be found on the front of the tag or sticker directly below the seal.Verify yours here: https://www.crystals-from-swarovski.com/seal/swarovski_seal.en.htmlThe Seal of AuthenticitySwarovski is the premium brand for the finest crystal embellishments since 1895. It is recognized for its innovative excellence and its collaborations with top-class designers and brands in the fashion, jewelry, accessories, interior design, and lighting industries across the globe.Available in a myriad of colors, effects, shapes, and sizes, crystals from Swarovski offer designers a fabulous palette of inspiration, and are produced according to the innovative, lead-free* Advanced Crystal standard. Born out of a passion for detail and high-precision cutting, these precious ingredients impart refined glamour to everything they embellish. They can be recognized by the 舛rystals from Swarovskiｮ・Seal, which serves as a certificate of authenticity that identifies products made with genuine Swarovski crystals.A family-owned company for more than 100 years, with values rooted in integrity, respect, and excellence, Swarovski is noted as much for its ethics in business as for its contemporary artistry and innovative flair.