These glasses chains have fine workmanship, comfortable and , which could prevent the glasses from losing during exercise, suitable for all kinds of glasses and mask. You can take off the glasses and put them on your chest, whether it is sports or traveling. Or attend a banquet, it is the partner of your favorite eyeglasses. Features -Color:Assorted Color -Material: Cotton Cloth -Size: 70.00X0.50X0.10cm/27.51X0.20X0.04in - These glasses chains are made of for long time use. - These chains would help to prevent the fall of glasses thus to protect them from getting damaged or accidental loss. - You can use it to your glasses on the neck or arm, perfect for preventing glasses falling down when sports, like running, hiking, cycling, etc. - A fashion and charming eyeglasses chain, make your glasses unusual. for decorating your , eyeglasses and sunglasses. - Also can be a good gift choice for your friends, they will like it. Every carefully connected workmanship make sure that the chain is strong enough to your glasses. Package list: 20 x Glasses Lanyards