Kassia Block Chain Bracelet adds a modern flair to the classic block chain by using rounded rectangle links instead of square links. The locked chains give a four-sided dimensionality. Length: about 6 in. + 2 in. extension. Width: about 1/8 in. 18K Gold Plating on Stainless Steel. Waterproof. Complete the look with the matching Kassia Block Chain Necklace.