Long stainless steel Dog Tags ball chain ( ball diameter 2.4 mm ). Overall length : 76 cm / 30". It is highly quality ball chain that will never rust or smudge skin. It is completely safe for health. Can be wear by allergic. Chain is made of highly quality stainless steel. May be use with Dog Tags and with any other pendants, crosses and any other. It can be also wear itself on the neck as decoration.