Ergodyne - EGO19212 Use these 3215 Cotton Breakaway Eyewear Lanyards to keep your glasses secure and within reach at all times. Hang lanyard around your neck so you can easily remove/use glasses whenever needed. Open ends slide over the sides of your glasses for a tight fit that won't loosen throughout the day. Activate breakaway design by pulling on lanyard to prevent entanglement and enhance safety while on the job. Adjustable barrel that connects the open ends provides a customizable, secure fit. Made of 100 percent cotton, these lanyards are comfortable for all-day wear.