BLACK Trident Aegis Hard Case Cover Over Silicone For Amazon Kindle 3 The Trident Aegis offers fully-encapsulated Protection with creative design to keep your Kindle 2 safe and unharmed without compromising its advanced functionality. With the Aegis, the silicone layer is on the inside - in direct contact with the Kindle - with a hard polycarbonate shell on the outside. This design gives the case a unique look and feel while maintaining incredible protectiveness. The four corners of double-thick silicone insulate the Kindle from everything including light bumps to violent drops with a unique shock-absorbing design. Compatible with Amazon Kindle 3.