Bonnie Men's Cylinder Silver 316L Stainless Steel Bullet Pendant Chain Necklace 316L Stainless Steel, also known as "Surgical Steel", is approved by the Medical as a non-toxic and harmless metal that is highly resistant to radiation and corrosion. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!