Monoprice 110209 Ultra Thin Cover for iPhone 5 - Retail Packaging - Gray The iPhone is such an attractive and stylish piece of fine workmanship that it is a shame to hide it inside a protective case This ultra-thin cover is made of polycarbonate engineered to provide both rigidity and flexibility which is well suited for a phone cover The flexibility ensures that it is easy to install or remove and that it can absorb shock forces before they penetrate the phone's internal mechanisms