♢ Product Size Length 45cm Other sizes are also available. Weight Approximately 1.68g Specifications Made in Japan K18 (K18 stamp included) K18 is made in Japan, while 18k is made overseas. ♢ Product Description This is a high-quality product equivalent to 18-karat gold sold in department stores and jewelry stores. It is not 18-karat gold plating, but the material itself is 18-karat gold, so there is no worry of peeling. It is stamped with "K18," the mark of genuine 18-karat gold.