Unique Non-Slip Clip Loop - Unlike others that don’t stop slipping glasses, our eyeglass string holder and glasses strap come with an advanced loop protection mechanism to completely prevent your eyeglasses from falling. For Wide and Narrow Temples - Our eyeglass lanyards for men are made to cling tightly to all types of glasses temples. This eye glasses chain for women is ideal for small and wide arms. Adjust the Length - Thanks to their adjustable design and 29" length, our eyeglass straps for men & eyeglass chains for women are comfortable and versatile enough to wear for all head shapes and neck sizes. 4 Pack + Bonuses - Our eyeglass holders around the neck come in bold Dark Brown, Green, Grey, and Black colors that can match every eyewear. This eyeglass strap for women also comes with a surprise gift. Premium Quality - Our glasses lanyard is made of premium nylon and features a non-clip thread. The eyeglasses string holder is easy to use and durable