Trident Aegis Kim Parker Design Series Case for Apple iPhone 6/6s  - India Garden Kim Parker Approved Designs Meets Military Standard MIL-STD-810F: vibration and drop (Independently Tested). Inner-layer of shock-absorbing silicone with an outer-layer of hardened polycarbonate, providing two layers of protection. Power-ports and audio-jacks are covered with silicone plugs to keep out dirt and debris. Dust filters protect microphone and speaker bays. Green Protection - recyclable, degradable, and compostable plastic