exclusive nano-memory technology covers and shields your device, keeping it as pristine as the day you took it out of the box. The precision pre-cut invisibleSHIELD applies directly to your 4th Gen iPod 30 GB, providing the toughest, most durable protection you will find. The invisibleSHIELD has its origins in the military, where it was used to protect high-speed helicopter blades from dust, dirt and debris. Now you can use that same powerful technology to protect your 4th Gen iPod 30 GB. The invisibleSHIELD is only .2 millimeters thick making it the slimmest 4th Gen iPod 30 GB skin or 4th Gen iPod 30 GB cover of its kind. It is so tough that shieldzone backs it with a lifetime guarantee. So, if it ever does wear or scratch, shieldzone will replace it fo...  (less)