***More sizes in the link*** http://www.amazon.com/dp/B0191Z6V8O The aqua piece of glass used is stunning and like no other color you will see! The piece of glass is 25x17mm and is hanging on an exquisite 18" STERLING SILVER chain. The sparkling blue bead and starfish charm tie it all together and is a must have for your summer wardrobe! This listing is for the necklace only Matching earrings may also be purchased with the necklace in the link below. http://www.amazon.com/dp/B017T5LWRI