Liquid Glass from cellhelmet is an invisible, nano-liquid, which is applied to the screen of your device. Drying and curing the Liquid Glass strengthens your screen on a molecular level. Liquid Glass 50 also includes a $50 screen repair guarantee, should it fail to protect your glass. This item cannot be sold to repair channels Strengthens glass on a molecular level $50 screen repair guarantee 0.6mL vial of Liquid Glass For all phones with glass displays Works with all cases Made in America