Upgraded Tips: Our glasses strap features an innovative fastening mechanism with improved patented non-slip tips that prevent sliding. Thanks to this design, the eyeglasses strap securely fastens without distracting your eyes or dangling around your cheek Fit for All Glasses Types: The eye glasses holder strap is designed to be compatible with various types of glasses, including sunglasses, prescription glasses, and reading glasses. The sunglasses strap holder design accommodates both wide and narrow temple arms, offering a comfortable and secure fit for all types of eyeglass frames. The eyeglass chain for men & women provides a universal fit Comfortable Length Adjuster: The eyeglass holder strap measures 23" in length, including the tips. The eyeglass strap for men and women length is designed to allow you to comfortably wear your glasses around your chest and neck when not in use. The eye glasses holders around neck are easily adjustable, allowing you to effortlessly customize the fit for any head size Enhanced Durability: The eyeglass holder around neck is made of super flexible silicone tips and a stronger cord connection, ensuring exceptional strength and long-lasting performance. The eyeglass lanyard men robust design ensure that it remains intact even with regular use. The eye glasses lanyard men is a reliable glasses accessory Ideal for All Activities: Sigonna eyeglass string holder strap is designed to cater to all your activities, whether it's sports, outdoor adventures, or everyday use. Each set includes 4 glasses neck straps in black colors, glasses cleaning cloth, and an instruction.