This short or long rectangle and delicate chain necklace is adjustable. The short version can be worn between 16.0″ and 18.0″. The long versioncan be worn between 31.0″ to 36.0″. Materials: 14k gold-fill or rose gold-fill (14k gold over brass core/no nickel) and sterling silver (.925). All materials are hypoallergenic. This necklace is handmade in our Upstate New York production studio.