Key Features: Impact-Resistant Silicone The double-thick silicone corners, along with anti-skid pads, protect the device from impacts. Hardened Polycarbonate The sleek outer-framework encases the device, providing excellent protection. Silicone Plugs Power ports and audio jacks are covered with silicone plugs, keeping out dirt and debris. Dust Filters High-quality dust filters prevent dust and debris particles from entering the device.