316L stainless steel,nickel and lead free,non-irritating to skins; High Polish Finish; Comfortable, endurable and affordable. Suitable for swimming,shower,outdoor,sports etc. Will Never Tarnish!
More details:chains size:55cm/22"x6mm(LxW), thickness:3.5mm, weight:53g; Bracelet size:8.66"x6mm(LxW), weight:21g; Pendant size:5.4x2.1cm(2.13x0.82"), weight:31g.