Trident Case Aegis Case for Galaxy S 4G Silicone and Polycarbonate Features Total Protection Constructed from high impact-resistant polycarbonate double-enforced with a shock absorbing silicone outer-ring Clear PET Screen Shield Scratch-resistant anti-glare bubble-free clear PET screen protector shields screen from fingerprints smudges scratches and moisture while maintaining complete touch screen interactivity Ergonomically and Carefully designed for a reliable comfortable non-slip hold Anti-Dust Design Camera lens protected by clear durable PET film to keep out dust and debris and prevent scratches