This chain is a unique accessory for glasses or masks. Very light and easy to use. The chain is made of a chain under silver. This chain can be worn by both adults and children. Children never lose a mask. Available sizes: S-- 60 cm (23.4 inches); M - 70 cm (27.3 inches); L - 80 cm (31.2 inches). To order, specify the size in the message. I can also do in a different color. Weight about 10g You can see more of my products here: https: https: //www.etsy.com/shop/LesiaBankova