TRIXES Black TPU Clip Gel Case for Apple iPod Nano 7th Generation Cover Shell 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. These cases have a clip attached on the back, great for attaching on to belts, bags, etc. Stiff to touch while remaining flexible. Delivers instant all around protection from scratches.