90% Spandex and 10 Nylon Imported [ Sports Item ]This outdoor sports style glasses strap is specially designed for activities such as basketball, cycling, fishing, skateboarding, photography, hiking, etc. The sunglass strap has 8 color combinations, and pack of 6 black eye glasses string straps are suitable for mature men.The bright colored glasses rope is suitable for ladies, the plain colored eyeglass strap is suitable for the elderly, and the colorful glasses holder strap is the favorite of girls. [ Function ]The glasses lanyard can keep the glasses stable and prevent the glasses from falling off and breaking during exercise or sports. The adjuster on the eyeglass cord can freely adjust the length and tightness of the eyewear retainer to make the contact between the sunglass straps and your head more comfortable. [ Materials Feature]Using spandex and nylon as the main materials, the glasses strap sport has a high elastic recovery rate of 200% and quick-drying feature, allowing you to reduce sweat stains and quickly restore the unstretched state during exercise; moreover, the sunglasses retainer also takes into account the durability and light weight and the characteristics of comfortable feel, so that you can enjoy the joy of sports. [Size Information]Each eyeglass strap is 11.81inch/30CM in length and 0.39inch/1CM in width. There is also a black adjuster on our eyewear retainer, which can adjust the tightness and length according to the size of the head. sunglass band is also very easy to wear for the elderly and kids. [Guarantee ]Own it forever - If there are any problems with your glasses strap, please don't hesitate to message us and we'll refund, this is our confidence to eyeglass strap 1、About us: HENOALR focuses on the design, production and sales of sports products and accessories, with more than 10 years of experience in such products, and they are widely sold all over the world. 2、Our Idea： The biggest troublesome thing for eyewearer is that they are worried about the loss, fall, or damage of the eyeglasses, and our spectacle rope products can help you avoid such accidents during exercise and work. 3、Function： The eyeglasses strap is fixed on your head and chest, so as not to lose and break. 4、Main materials Spandex and nylon, as the main material of eyeglasses bands, let you enjoy comfortable, safe and portable wearing feeling. 5、Where to use： It can be used for outdoor sports, work and study, and anywhere you want 6、Who to use： Men, women, the elderly, kids/children, boys, girls; suitable for Myopia glasses, hyperopia glasses, reading glasses and astigmatism glasses, flat glasses, goggles, reading glasses, night vision goggles, gaming goggles, goggles, sunglasses, toy glasses, sunglasses, warm tip: its frame is a width between 0.33 inches and 0.52 inches. 7、Feature -It is adjustable free -8 color series -lifetime guarantee -Anti-slip straps -Little tools for eyeglasses repairmen 8、Lifetime Guarantee If you have any questions about our sunglasses strap , please feel free to contact us. We are willing to listen to your opinions and share your skills. Please post picture or email to us, thank you for your support. 9、Packing list : 6 glasses strap;