Features: Looking for a way to keep your glasses strap holder on your head during your activities? Look no further.This silicone glasses strap holder is made of premium material, so you can be sure it39;s sturdy and long-lasting. It39;s also soft to the touch, so you don39;t have to worry about irritation or to chafe while you are working out or running around.You can easily adjust the length of the glasses holder cord to fit your needs. The eye glasses string holder is perfect for day-to-day use, but it39;s also great for hiking and many other outdoor activities.Anti-Slip Sunglasses Strap: Our glasses holder strap made of high-elastic fabric, and the high elastic silicone at both ends of the frames strap securely wraps the temples. Soft, lightweight material for all-day wearNotice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Material: SiliconeLength: Children39;s: 18-27cm, Adult: 21-33cm Package List:5PCS Adjustables Eyeglass Straps Holder