The skinny connector bracelet is made from sterling silver. Choose your favorite Mini or Small Lock to close it, as there is no lock included. You can personalize this piece in many ways; choose your own chain, lock, add a pendant or connect multiple chains to make a necklace or wrap bracelet. To determine your size measure the circumference of your wrist. If your wrist is 16cm, go for a 14cm connector bracelet with the 2cm Small Lock, or for the 16cm connector bracelet with the 1cm Mini Lock. 2mm thick. Sterling Silver.