Stainless steel flat classic cuban link chain, golden color, great quality, it can be a little heavy because is thick. 
26 inches long is an extra long necklace size
21 inches long is a Large necklace
20 inches is a regular necklace size
16-17 inches is a short necklace
9.8 inches is a good ankle bracelet size or extra large hand bracelet
8-8.5 inches is a Large size bracelet
7.8 inches long is a Medium size bracelet