Serinium is a metal alloy used in jewelry making as an alternative to the traditional metals of gold, silver, and platinum. Most alternative metals have drawbacks wheras serinium combines their best attributes. Foremost, it is more affordable than traditional precious metals. Next, it wears well meaning it will NOT tarnish, lose its color, is difficult to chip, shatter resistant when dropped, or lose its bright finish. Serinium is unique strong, yet can be cut in case of an emergency. Lastly, it is hypoallergenic. Check out the available styles.