Wearing Occasions : Suitable for daily wearing and formal occasions, can match with sunglasses, reading glasses and other types of glasses, for women and girls to carry easily when working, traveling or taking part in outdoor activities. Fashion Design: The glasses chains are decorated with cloverleaf which is beautiful and elegant, also they are functional and stylish, with sturdy material, can work for you a long time. Never Lose Your Mask Again: Both ends have adjustable holder loops with metal coil, can be slipped on and off easily to fix, making your mask and glasses not easy to fall off. Easy to install and remove. Fastening: Adjustable Thank you for coming to my shop. Please leave a message if you have any questions, and I will reply as soon as possible. I wish you a happy life!