100% Nylon Imported Solid Never-Slip Clip Loop - Unlike others eyeglasses string holder that dont stop slipping glasses, our eyeglass straps for men & glasses cord rope comes with an advanced eyeglasses strap loop protection mechanism to totally prevent your eyeglasses from falling. Made for Narrow and Wide Temples - Our glasses strap are made to cling tightly to all types of glasses temples. This eyeglasses string holder is ideal for small and wide arms. Choose Your Length - Thanks to eyeglass chains and cords for women adjustable design and 27" length, our eyeglass holders around neck for women are comfortable and versatile enough to wear glasses holder for all head shapes and neck sizes. 4 Color Pack + Bonus - Our eyeglass chains for men come in vibrant colors that can go with every eyewear. This lanyard for glasses also comes with a surprise gift. Lifetime Warranty - You can buy our eyeglass holder strap with confidence. Contact us for help if you have any issues with your sunglass strap chain.