iPhone 4 Quattro 4 Glass Touch-Thru Screen Case - Royal (Blue) AT&T Drop-proof original IvySkin Glass Touch-Thru screen Four layers of protection; PolyCarbonate, Polysilicon, enhanced TPE and Glass Touch-Thru screen Sure grips on Quattro 4 makes holding the iPhone 4 in a every position easire with a solid grip. Optional Battery-Pak and CardClip are designed for added functions to this case Protected by a one-year IvySkin warranty