Its length is 60 cm. Returns are not accepted for products whose gelatin has been opened and used. It is steel. There is no extension chain. The most important feature of steel jewelry is that you can buy it at an affordable price. Moreover, the usage conditions of steel jewelry are easier than other materials. It does not deteriorate when swimming in the sea. Moreover, it is not affected by the person's sweat and therefore does not darken. Steel does not deteriorate.