Enhanced anti slip loop - Our stylish eyewear strap holder allows your eyewear strap to be secured anywhere. The upgraded metal clip on this eyewear strap allows you to securely secure your glasses in the ring. A sturdy necklace - the strap is 22 inches (57 centimeters) long. This eyewear necklace provides strength and allows your eyewear frame to hang seamlessly around your neck. Ideal for fishing, cycling, hiking, rock climbing, skiing, or just enjoying outdoors. It is also very suitable for daily indoor use. Premium environmental friendly leather and pure cotton - This eyewear strap is made of high-quality cotton and will provide stylish functionality, unlike other eyewear threads that can make you look very old. A necklace that is perfect for both men and women. Suitable for most eyewear - from small to large eyewear frames, these eyewear chains and eyewear cords are suitable for both men and women, providing universal compatibility for optical eyewear frames, presbyopic glasses, and sunglasses. Fix your glasses around your neck and let your sunglasses hang comfortably on your chest or on top of your head. 4 colors including simple math matching - Set includes 4 colors of straps (beige, green)