Created primarily from sand (silicon dioxide (SiO2)) that has been compressed at the molecular level, ITEKT used the power of science and nanotechnology to design a one-of-a-kind liquid glass formula that has been lab-tested and proven to act as a natural shield. Features & benefits include: Water repellent up to one year; Helps to repel dirt, snow, ice & insects; 20% superior shatter and scratch resistance; Improved visibility during harsh weather conditions; Easy 15-minute application; Reduces washer fluid consumption.