iGadgitz Black Silicone Skin Case Cover Holder for Sony Walkman NWZ-E463 NWZ-E464 E Series Video 4gb 8gb MP3 Player + Screen Protector iGadgitz custom made silicone skin for Sony Walkman NWZ-E463 & NWZ-E464 Series Full access to all functions, controls and docking while skinned. Protects your MP3 player from chips and scratches. Manufactured from high quality AOD coated anti-static silicone. Supplied with stick on screen protector providing all-round protection.