Description 100% brand new and Material:Nylon,Polyester Color: As the picture shows,yellow,blue,black,red 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 silicone loops for secure and easy attachment. Size adjustable with rubber slider while doing sports. Excellent for any occasion such as bike riding, fishing. If you want to stop losing your beloved glasses, please wear this pair of glasses quickly. Size: Length:32.72cm/12.872in Width:1.1cm/0.43in Quantity:1 Pc(String only,glasses not included) (String only,glasses not included) Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you