Premium high quality Tempered Glass for Oppo A57 is made to protect the LCD display from damage and scratches with specially processed glass that has been reinforced to increase shock absorbency. The entire surface of the glass is transparent and the back side is covered with a strong silicon adhesive for easy installation. When installed, there are no gaps between the LCD and the glass which means the touch screen’s sensitivity is unaffected. The tempered glass is manufactured from the highest quality material and are made from the latest high-tech manufacturing equipment. Ultra-thin glass treated by toughening under high temperature of 420 comes with a perfect fit for your Oppo A57. Easy to install, Super scratch resistant, wear, explosion-proof, water-proof, anti oil, bubble prevention, anti bacteria, anti glare anti radiation. The protection guard for Oppo A57 also comes with manufacturing defect warranty. The shipping is done in secured packing to make sure you get the product in perfect shape.