Crafted with 304L grade stainless steel, this chain is vibed for additional luster. This stainless steel chain is incredibly popular due to the fact that is is hypoallergenic and extremely durable. The 15 gauge wire links are thicker than most standard links and will support large pentants and charms. Stainless Steel is the only metal that can be worn in any conditions, wear it in the shower or take it to the beach! It's 'stainless' for a reason.