Amzer TPU Case or Crystal Hard Case? Having trouble deciding how to keep your HTC DROID Incredible PB31200 all shiny and new? Well, lucky for you there’s the TPU Hybrid Case. Fusing two of today’s most sought after mobile phone protectors, this case is a hybrid of the contemporary TPU skin case and the classic crystal hard case. Covering the sides and corners of your HTC, TPU is fashioned from multiple thermo acrylics forming a casing that is highly elastic and highly resistant to oil, corrosion, abrasions, and harmful UV rays. United with the trusted clear crystal hard case, protecting the back, the outcome is advanced phone protection……it’s the perfect case for protecting your HTC DROID Incredible PB31200 from scratches, shock, and the elements all while giving your phone that extra wow factor!