Magnetic Eyeglass Holder in Stainless Steel and Shark Wire Magnetic Eyeglass Holder uses a magnet to hold your glasses to your shirt. Works well on shirts and light sweaters, and does not hang around your neck like a lanyard. Just one magnet, with a stainless steel body and nylon coated steel loop. Clean simple design is attractive. Glasses holders are a convenient way to keep your glasses or badge handy.