Optimum's Opti-Glass Cleaner & Protectant offers streak free glass cleaning and leaves behind a polymer coating to give your glass future protection from the elements and water sheeting properties. OPT's Opti-Glass Cleaner & Protectant works great with microfiber glass towels and is designed to be a spray on and wipe off formula. Optimize your detailing habits and use Optimum Opti-Glass Cleaner & Protectant.