Amzer AMZ95689 Dual Tone TPU Hybrid Skin Fit Case Cover for Sony Xperia Tipo Dual ST21a2 - 1 Pack - Retail Packaging - Black It's a combination of hybrid of a high gloss TPU and a matte TPU. Quality material used for this hybrid case provides shield and avoid scratches. The smooth outer back shell provides sure grip to keep your Sony Xperia Tipo Dual ST21a2 from dropped or bumped. Precise cutouts give easy access to all the functionalities. Plug your charger, cable or headset without removing the case.