Glass Strengthening Systems is a remarkably strong synthetic polymer film, GSS proprietary solutions, and Patented Acrylic adhesive system that when applied to your ordinary glass, can turn it into a potentially strong, super strength protective barrier. Glass Strengthening Systems can protect against violent storms, such as hurricanes, tornadoes, smash and grab robberies, breaking and entering, while eliminating 98% of all harmful ultra-violet rays, while remaining up to 98% optically clear.