Premium Tempered Glass Screen Protector for Samsung Galaxy A27, A37 and A57 Product Details Helps to prevent your screen scratching and other damage, our quality glass are an Excellent choice of screen protection. Cutouts where necessary, our tempered glass are constructed for enhanced impact resistance and reduce the chances of screen damage. Made with chemically treated, transparent tempered glass with silicon adhesive to keep it in place. The surface has a hardness of 9H, which is 3 times stronger than regular PET film. The screen protector has an Oleophobic coating, which makes the screen protector easy to clean.
