Lightweight and supple, this Omega chain is perfect to wear alone because it is wide enough to reflect lots of light and very comfortable to wear. The Omega chain is domed. Approx 2.0mm wide x 1.2mm thick. Each chain has a sterling silver extender chain so you can wear it from 16 inches to 18 inches. Made to our specifications, we imported this beautiful, new sterling silver chain directly from the leading Italian manufacturer. Italian jewelry manufacturers are well-renowned for their exquisite design and fine craftsmanship. The solid sterling silver chain is marked with 925 and ITALY and the clasp is marked 925 so you know that they are of the top quality. Single strand, length is from loop end to clasp. Chain is nickel free. Gift box included, color or style may vary. Unlike link chains, the Omega is made to retain it's shape when worn. Gift box included, color or style may vary.