reEVOlutions iSkin eVo2 Fourth Generation iPod 20 GB (Sonic) Plug-in your favorite top mounting iPod accessory without having to remove the iSkin first Offers an integrated docking port cover to keep dust, dirt and liquids out of your iPods docking port preventing permanent damage Features a beveled top surface allowing easy access to the iPod's Hold Switch and Earphone Jack Ultra-clear screen protector with six soft contacts to keep your iPod's screen free of scratches and damage Crafted from 100% durable high-grade silicone