Insten Green Soft Gel Plastic TPU Cover Case for iPod touch 4G Keep your Apple iPod touch 4th Gen safe and protected in style with this TPU rubber skin case accessory. Slip your iPod touch in to add a splash of color. Deliver instant all around protection from scratches. Keep your Apple iPod touch 4th Gen safe and protected in style with this TPU rubber skin case accessory. Slip your iPod touch in to add a splash of color. Deliver instant all around protection from scratches. 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. Color: Clear Green Concentric Circle. Material: TPU Rubber. Shock absorbent, shatterproof, and anti-scratch material. Secure Velcro strap holds your iPod tightly in place, it won't go anywhere you don't go!