【Glasses Strap】: Fits most styles of glasses and keeps your glasses securely around your neck. Prevent glasses from being lost.
【Adjustable】: The Sports eyeglass strap has buckles that allow the lanyard to be lengthened/shortened to proper position to suit the length you need.
【Multipurpose】: Glasses lanyard can be used as an accessory or hung, eyewear retainer is great for outdoor activities such as running, biking, hiking, walking, etc.
【Material】: Eyeglass strap holder is made of silicone and nylon, soft silicone foot caps, suitable for wearing on temples of different thicknesses, lightweight, fashionable and durable.
【Portable】: Sunglass strap is small and compact, easy to carry and store, and does not take up space.
25cm: before stretching 18cm/7.09inch, after stretching 25cm/9.84inch
30cm: before stretching 20.5cm/8.07inch, after stretching 30cm/11.81inch
35cm: before stretching 23cm/9.06inch, after stretching 35cm/13.78inch
40cm: before stretching 25.5cm/10.04inch, after stretching 40cm/15.75inch