100% new brand and high quality It can be used for outdoor sports, playing ball games or traveling. Take off the glasses casually to wear it to the chest is free and easy, convenient and practical. This product is suitable for myopic glasses, presbyopic glasses, sunglasses, etc. Perfect to keep your glasses in place wherever you go. End loops for secure and easy attachment. Size adjustable with rubber slider while doing sports. Excellent for any occasion such as bike riding, fishing.