Montana Silversmiths Womens Crystal Shine Small Hoop Earrings Silver All jewelry has a one (1) year limited warranty on manufacturing defects when accompanied by a receipt. You can maintain your silver brilliance with an occasional wipe of a damp cloth. DO NOT use chemical or abrasive cleaners. Finished with "Montana Armour" Tarnish Protection Measure 3/4" Long. Earring posts are hypo-allergenic surgical steel for additional strength.