Adjustable! Fits most wrists. Made of solid .925 sterling silver. Style / code #: RX6919 Clamshell measures 11mm L x 11mm width By Alexis Dove, award winning British Designer of unique and beautiful contemporary jewelry collections, all handmade in Sussex, draw inspiration from the beauty of nature. After taking a degree in Agriculture and traveling around the world, she trained at Sir John Cass in fine jewellery and diamond mounting, establishing her business in 2006. Coconut girl vibes! Will need some polishing as it has been sitting in storage