The 18k gold-filled 1.5mm thickness Rolo chain is a must for everyone looking to create unique pieces of jewelry and necklace layering. It fits very well with pendants and charms or even plain ones.  * Hypoallergenic jewelry. * Anti-tarnish jewelry. * You may wear them while bathing, on the beach or in the pool. * Fine 18k gold filled made in Brazil. Looking for a better product than gold plated? GoldFi - For The Love of Jewelry