Pink/Black Zebra Silicone+PC Hard Case Cover for Apple Iphone 4G 4 4S 4GS Soft silicone skin on the inside and hard rubberized plastic on the outside. Edges are reinforced for more protection. Rubberized finish provides better grip. 2 Tone coloring provides a more stylish look! Pre-cut openings allows full access to all of the iPhone 4 and 4S's functions.