This piece is made out of sea shells to catch the latest tend even with your eyewear. It can fit all sunglasses & glasses. The length is 40 cm long. Please do not forget to pick you color, if you like you can request a color other than the ones in the pictures. Please do not hesitate to contact me if you have any questions or requests. Thank you for your time :) Idil Seashell Sunglass Chain, Eyeglass Seashell Jewelery, Chain With Stones, Beach Accessories, Gifts For Her, Boho