All stainless steel, two-strand necklace: long azuki chain x ball chain necklace Popular stainless steel accessory. It is resistant to rust and dirt, making it a material that is attracting attention. Also, it is a gentle material for those with metal allergies. 【Size】 Chain length: ball chain → approx. 40cm, long azuki chain → 45cm plus 5cm adjuster Chain width: long azuki chain approx. 2.5mm, ball chain approx. 2.4mm *If you wish to extend the length, please be sure to message us before ordering. We will accept requests for 1cm extensions for 40 yen, and will list a dedicated page. Please note that we will not be able to accommodate length extensions after your order has been placed. 【Material】 Chain, round rings, clasps: all stainless steel Thank you. #stainlesssteelnecklace #ballchainnecklace #twostrandnecklace