Edge Eyewear knows that you like to live on the Edge, but it's inconvenient to lose your glasses while you're there. If you're working hard or playing hard and don't want to lose your safety glasses or prescription glasses, try this stylish safety glasses cord. Adjustable length means your glasses are within reach at all times. The rubber keepers keep a tight hold on the earpieces of your safety glasses regardless of their shape. Work hard, play hard, and don't let your glasses slow you down.