This unique Eyeglass chain are made of black onyx & citrine crystals & braided necklace made in kumihimo technique. The cord are 4-5mm thick & made from strong waxed cord & finished with metal end caps & rubber grips. Total length is 78cm Wear your glasses in style using this wonderful & comfortable Eyeglass accessory. If you would like a longer or shorter length, please leave a message with the length you would like. Thank you Black Onyx Citrine Eyeglass Chain, Crystals Sunglasses Holder, Yellow Spectacle Cord, Laces For