High quality material: elastic silicone, glasses ear hooks made of high quality silicone, elastic, lightweight and non-slip, comfortably adapt to your body type. Soft and comfortable: super soft and super lightweight, comfortable to wear, safe and environmentally friendly. Suitable for sports and active life. Non-slip design: These frames prevent your glasses from slipping out of your ears during sports and activities, you don't have to wind them up again and again.< /p> Very adaptable: suitable for almost all pairs of glasses, reading glasses, sunglasses. Non-slip glasses holder fits almost all pairs of glasses, glasses books, sunglasses, etc. It allows you to read, exercise or spend your free time with your glasses.