"Protect your favorite sunglasses from loss and damage with a lightweight Costa Del Mar C-Line Adjustable Eyewear Retainer. Made of ultrathin, lightweight wire coated with a rubberized material for comfort, this retainer extends from 10-3/4"" to 17"" using the adjustable bead sliders with Costa logos. 2 flat, low-profile temple attachments keep sunglasses securely attached. This Costa sunglasses lanyard also works great with bifocals and eyeglasses and is perfect for the beach, the trail, and many other outdoor adventures. Extends from 10-3/4"" to 17"" Ultrathin, lightweight coated wire Adjustable logo bead sliders Flat, low-profile temple attachments"