Hybrid Arrow TPU Skin Cover for LG Optimus G (AT&T) E970, Black/Blue Protects the side edges and back of your phone. Hybrid cover consists of a flexible, semi-hard, semi-soft Thermoplastic Polyurethane (TPU) edge and a hard back. Stylish TPU edge provides shock-absorbing protection. Lightweight TPU is resistant to taring, stretching and deforming. Impact-resistant smooth hard back makes this skin cover slide easily into your pocket or purse.