Coveroo University of Texas Longhorns Full design on a Black-Black iPhone 4/4S Guardian Case Go Longhorns! Show your support for the Longhorns with this official University of Texas design on your Coveroo. This protective snap-on case for the AT&T, Verizon and Sprint iPhone 4/4S is an authentic iPhone accessory made by Coveroo, customized with a design of your choice. The design is printed using our HighColor process. Not a sticker or skin. Handmade by our team in San Francisco, CA