Besteel Jewelry 6 mm Mens Stainless Steel Chain Necklace Link 18-36 Inch Width: 6mm=0.24'',weight: 18-40g Sturdy Metal: stainless steel guarantees high strength and hardness; never fade, highly resistant to rust and corrosion;need low maintenance Hypoallergenic: 100% safe to wear as it is lead free and nickel free; never worry about turning your neck green Comfortable Design: smooth edges on each link that never scratches or pull your hair Nice Velvet Pouch: keep jewelry safe and protected; also great as a gift bag;