Alltech Devices, Made for Apple iPhone 4 4S, Privacy Anti-Spy Tempered Glass Screen Protector Shield, Retail Box For Apple iPhone 4S, iPhone 4 Protect the LCD from damage and scratches with reinforced glass that increases shock absorbency. Visible Area of 90 degree, protect your privacy, back side covered with strong silicon adhesive for easy installation. No gaps between the LCD and the protector which means touchscreen's sensitivity is unaffected. The protector is 0.3mm thick and made with chemically treated, transparent tempered glass.