✦ MATERIAL ✦ This Item Is Made of High Quality 316L Surgical Grade Steel with Good Corrosion Resistance. The Stainless Steel Is Harmless to the Human Body. Lead-Free, Nickel-Free, Healthy, Non-Irritating to Skin. ✦ DURABILITY ✦ Using 14k (97.5% pure gold) or 18k (99.6% pure gold) real gold vacuum electroplating provides excellent skin protection and color retention time for more than 3 years. ✦ DIMENSIONS ✦ The diameter of Cylinder pendant is 0.45", the length of cylinder is 0.6". The length of the chain is 18". ✦ VARIATIONS ✦ This Pendant Necklace is available in two colors: Gold and Silver. ✦ PROUDLY AMERICAN OWNED ✦ We are an American owned and operated company! Please search MOXIE ACCESSORIES on Amazon for more of our designs! This classic style pendant is one of our most popular pendants. The 18k gold-plated small cylinder is inlaid with 3A-grade zircon, glittering and charming, and there are Roman numerals engraved on it, symbolizing eternity.