UBOX Anti-Smash 100% Silicone Rubber Made of Silicone Rubber, it is not Tempered Glass. Tempered Glass easily break! but Anti Smash is unbreakable Thickness : 0,25mm with 12H (Premium Hardness) The First 12H screenguard in the world. and smartphone sensitivity touchscreen still works. LIFE TIME WARRANTY! (You can claim new one for Free anytime) UBOX A brand for Gadget and Lifestyle