TPU Rubber Black Cover Case For Samsung Infuse 4G i997 Keep your Samsung Infuse SGH-i997 4G safe and protected in style with this TPU rubber skin case accessory. Slip your cell phone in to add a splash of color. Use this case to reduce the chance of signal loss. Material: TPU Rubber. Size: Perfect fit. Accessory ONLY; cell phone not included. Delivers instant all around protection from scratches. Constructed from smooth, treated rubber that resists dirt and stains. Unique design allows easy access to all buttons, controls and ports without having to remove the skin. TPU, also known as thermoplastic polyurethane, is more cut and tear resistance over rubber. It is abrasion resistance, and has a high degree of transparency. Compared to silicone skins, this skin is stiffer to the touch, but remains flexible. Accessory Only