[Function]: The glasses cord can hold tight on the ends of your glasses to prevent them from falling off during movement or sports

[Material]: Made of high quality nylon and rubber with good anti-slip performance, perfect to keep your sunglasses in place everywhere you go

[Adjustable and Universal]: This glasses straps will fit most sunglass frames. One size fits all, making this glasses accessory perfect for both men and women

[Versatile]: Perfect for outdoor sports such as fishing, biking, skiing, hiking, rock climbing, etc

[100% Satisfation]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on week days

Adjustable Glasses Strap Non-Slip Sport Eyeglasses Holder End Eyewear Retainer for Men and Women 1 Pack