This product is a eyeglasses strap. Made of , , durable, not easy to break, can hold your eyeglasses safely. You can use it to your glasses on neck or arm, or fix it on the head, perfect for preventing glasses fall down when sports, like running, hiking, cycling, etc. Features - ColorAssorted Color - Material: Polyester+cotton. - Size: 30x4x0.5cm - Prevent unwanted fall of glasses thus to protect them from getting damaged or accidental loss. - Use it to your glasses on neck or arm, or fix it on the head - for running, hiking, cycling, etc. - , hold the frames in place without letting them slip, anti-slip, . - Made with quality material, , durable, not easy to break, can hold your eyeglasses safely. Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 4 x eyeglasses strap