Slastik Readers are designed so that you can focus on what is important...they are not just any pair of glasses! Enjoy the comfort and convenience of the front magnetic connection while wearing or hanging them around your neck. The front connection consists of a 4,800 Gauss strength magnet with antioxidant, anti-sweat and anti-salt water coating. A flexible and adjustable soft headband provides the perfect fit to your head and allows them to be completely folded.