This long silver and gold delicate chain necklace is adjustable, and can be worn between 31.0″ to 36". The small squares measure 3/16" at their widest point. Materials: 14k gold or rose gold-fill (14k gold over brass core/no nickel) and sterling silver (.925). All materials are hypoallergenic. This necklace was designed in San Francisco and is handmade in our Upstate New York production studio.