About this item Liquid Glass is an advanced technology, invisible, wipe-on screen protector that bonds to the glass of your device offering enhanced scratch, moisture, and impact resistance. Made of silica dioxide (Si02) which is essentially microscopic particles of glass suspended in a liquid solution. Fills in the imperfections of the screen and adds an additional layer of glass (should not be used to repair broken screens. Does not fix existing scratches or damages). Adds an additional extremely thin layer of glass that is highly scratch & shatter resistant and increases the glass' strength to 9 H hardness level. (Does Not fix or repair existing damages) Easy, bubble free, wipe-on application with a universal fit; ideal for curved screens and tablets.