Trident Case Aegis Case for Verizon Ellipsis 7 Aegis cases are slim and light-weight, but packed with protection Aegis cases: inner-layer of shock-absorbing thermoplastic elastomer with an outer-layer of hardened polycarbonate, providing two layers of protection This case series protects device power-ports and audio-jacks with TPE plugs to keep out dirt and debris These cases also include dust filters to protect speaker bays, and a self-applicable screen protector for reliable screen protection