Blk Silicon Case for 30GB Ipod with Scratch Resistant Clear Visor Integrated docking port connector cover - Helps keep dust, dirt and other impurities from entering the iPod Micro texture eVoGrip - Provides a rich feel and gives you a confident grip on your iPod Integrated click wheel protection via a thin membrane - Protects the iPod's click wheel from moisture, dirt and wear while allowing full access to the iPod's control Rear micro-pores - Aid in heat dissipation to help keep the iPod cool while watching videos for extended times