-MATERIAL & PRODUCTION-Size: 1cm / Pc ，Allows you extend your bracelet size.
The original circumference of the bracelet is 21cm. If you want to reach 23cm, you can add 2 Extra Extended Clasps.Package: 1 x Extra Extended Clasp
Material: Stainless Steel
Warning: You need to pay $6.99 postage if you buy it separately with the bracelet.