G1 ClearVision Smart Glass is a chemically bonding glass nano-coat that offers unparalleled durability and function. On car windshields, a well applied G1 coat will typically offer up to 30,000 miles of water, dirt, ice, and contaminant repellency, benefitting the driver with significantly improved visibility, less time spent removing ice, and an easy to clean surface. Recommended use on all glass surfaces. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.