Description: 【Glasses Strap】: Fits most styles of glasses and keeps your glasses securely around your neck. Prevent glasses from being lost. 【Adjustable】: The Sports eyeglass strap has buckles that allow the lanyard to be lengthened shortened to any position to suit the length you need. 【Multipurpose】: Glasses lanyard can be used as an accessory or hung, eyewear retainer is great for outdoor activities such as running, biking, hiking, walking, etc. 【Material】: The Eyeglass strap holder is made of silicone material, soft silicone foot caps, suitable for wearing on temples of different thicknesses, lightweight, fashionable and durable. 【Portable】: The total length of the Sunglass strap is about 50cm and folded about 26cm. It is small and compact, easy to carry and store, and does not take up space. Specification: Material: silicone Size Chart: Total length approximately 50cm/19.69inch, folded approximately 26cm/10.24inch Package Includes: 5 Eyeglass Strap Note: Please allow slightly errors due to manual measurement and different monitors.