The Lens Leash is a simple, classic eyewear retainer that slides onto the temples of your glasses. The molded forward-mount temples are sized to accommodate a wide variety of frames, from the thinnest aviators to the larger sunglass frames. Details Featuring Chums forward-mount temples, these retainers are sized to accommodate a wide variety of frames. Cinch loop holds frames securely Length: 29" Weight without packaging: 0.1 oz.