Polk Audio Signature S35 American HiFi Home Theater Slim Center Speaker Tempered Glass Screen Protector is made to protect your mobiles screen from damage and scratches with specially processed glass that has been reinforced to increase shock absorbency with the thickness of 0.3 MM The entire surface of the Glass is transparent. When installed, there are no gaps between the LCD and the Glass which means the touch screen's sensitivity is unaffected. This prevents any excess force from coming in contact with the edges of the screen protector. It protects your screen without any bulk installation.