Never Misplace Your Glasses Again - Our 14" lanyard is designed with a tight grip to place at the end of your glasses to prevent you from losing your glasses. Secure Elastic Material - With a comfortable, soft stretchy nylon/spandex material, you can easily secure your glasses for small and large temples. Adjustable Length - The featured buckle on the lanyard slides along the strap to comfortably adjust the length to fit any head size. Compatible with All Glasses - Our lanyard is made with great elasticity, so you can wear it for sports and everyday use. Plus you can choose from multiple color options to match your glasses. Lifetime Warranty - We offer a lifetime guarantee on our lanyards. If you have any issues with your lanyard, contact us for help.