This necklace is made of 316L stainless steel which is solid and highly resistant to rust or tarnish It is hypoallergenic and suitable for sensitive skin The necklace length is 24 inches with a 6mm width It is a very sturdy Figaro chain with a smooth surface and comfortable wearing feeling It features an improved lobster clasp that is easy to use and of better quality This chain necklace is perfect for wearing alone layering necklaces or as a chain for your pendant for men minimalist and stylish The chain necklace will come with a box and black velvet pouch