Application Occasion: Perfect for those who wear glasses while enjoying more freedom for indoor or outdoor activities in style such as running, fishing, cycling, or playing ball games.
Silicone Material: These eyeglasses straps are made of food grade silica gel, Hygiene and environmentally, No allergies
Eyeglass Strap Dimension: 21.5 cm/ 8.4 inches in Total Length, Hole Size is 0.9 x 0.2 cm, Elastic Design Allows You to Stretch the Strap Up to 45 cm
Unique Design: With ergonomic design, the glasses straps are easy to wear and comfortable for all-day wear. Never worry about missing your glasses or sunglasses again.