My gold plated jewelry ranges from 14-18KGold plated is a thin gold finish over a base metal, whether that be a mix of alloys, brass, or stainless steelAll base metals available are hypoallergenic; (dependent on your allergies) nickel and lead freeOur 304 stainless steel base metals contain 8-10% nickel which are only micro amounts common in stainless steelThe items are durable with routine jewelry care