Length approx. 22" but can be any requested length.
Necklace style includes rubber ring that is pliable enough to accommodate almost any size glasses. Or, you can request the sterling silver ring style shown on most of the other eyeglass necklaces on this site.
Original style includes a small rubber loop at each end of the cord to attach to the temple piece of your glasses.
To request a different length and/or different ring, just specify what you'd like in the "Special Handling" section during checkout or send an e-mail to email@example.com.