Monoprice TPU Case for iPhone 4/4S - Retail Packaging - Pink This case has all the beauty of an acrylic case with the functionality of a soft case It is made from TPU (Thermoplastic Polyurethane) which resembles hard plastic but is flexible This case is specifically designed to shelter your Apple iPhone 4/4S from dust scratches and shock! It provides an anti-slip grip with a soft more comfortable feeling