100% Nylon Imported Solid Never-Slip Clip Loop - Comparing with other eyeglass cord, our Sigonna glass holder has a unique loop to keep prevent your glasses from sliding. This sunglass lanyard can be used with all types of glasses For Wide and Narrow Temples - The unique tip of eyeglass holder strap would be a great fit for wide and narrow temples. Eyeglass holder clasps will fix the glasses tight while you do sports or day-to-day use Choose Your Length - 28 is the total length of eye glass accessory chain. Our glass holder strap is comfortable and all-purpose. Due to length adjuster you can fix the glass cord on the back of head or keep eye glass holder around neck 4 Color Pack + Bonus - Our sunglass chain for women is presented in 4 colors and can be mixed with different outfits. Sigonna eyeglass string holder strap has the mask connectors and black cleaning cloth Premium Quality - Our eyeglass holder around neck is made of premium-class nylon and non-clip thread. Sunglass neck strap are easy to use and durable