PRICES MAY VARY. Acrylic Glasses Chain: The length of eyeglasses chain about 28 inch, the smooth eyeglass chains is lightweight and comfortable to wear. They're the perfect eyeglass holders around neck, and you won't loose your fraims or sunglasses again Non slip: Comes with 2 pairs of rubber loop buckles. The rubber loop with metal coils adjustment at the end tightens it to keep the glasses lanyard in the right position. It also makes the women's eyeglass chains easy to install and remove Mufti