Trident Case AEGIS Series for Blackberry 9930 - Retail Packaging- Blue The double-thick silicone corners, along with anti-skid pads, protect the device from impacts. The sleek outer-framework encases the device, providing excellent protection. Power ports and audio jacks are covered with silicone plugs, keeping out dirt and debris. The screen protector prevents scratches to keep the device in great condition. BlackBerry-9930