The Strongman medallion is made of solid sterling silver. Handcrafted in the USA, the necklace is 18″ long with additional chain options of 20″ and 24″. The chain is a sterling silver ball chain and attaches with a spring ring clasp. The pendant is the size of a quarter (24mm diameter) and about 1.1mm thick. The back of the pendant is created with space for an optional personalized engraving.