This is a hand stamped name necklace with a ballerina charm and Swarovski channel crystal. The larger circular disc measures 3/4″and made of aluminum. The smaller disc measures 1/2″ and made of copper. Chain is a silver plated cable chain with a lobster clasp. If you would like a different size chain please write it in the note to seller. Each letter has been individually hand stamped. Because of this, the lettering may have slight variations in the spacing, depth of the impression and the alignment. This is the nature of hand stamped jewelry and part of its charm. Aluminum is a great choice in metal; because it is hypoallergenic. It will not tarnish. Aluminum is very light weight and is great for everyday wear. It is a very affordable and enduring alternative to sterling silver. Back of disc can’t be stamped.