Norwex Petite Optic Scarf Geometric shape pattern Looking for a scratch-resistant and chemical-free way to clean your glasses, cell phone screens, jewelry and other accessories on the go? Try the Norwex Optic Scarf. It’s made from supersoft microfiber and removes oil, dirt, dust, lint and grime. The convenient silvertone clip attaches to your purse, belt loop or bag. 11"