10k Yellow Gold Seahorse Pendant Necklace, 18" Karat Gold Jewelry is not filled, dipped or plated. Karat Gold does not react with other elements and is durable for every day wear Karat Gold Jewelry does not rust, tarnish or corrode and with basic care glows for years to come Clean your Karat Gold jewelry with lukewarm water and mild soap then store safely in a jewelry box or wrapped in a soft cloth Domestic