Plastic covers are made of polycarbonate and the outer-wrap is silicone. All materials are 100% RoHS compliant. Features: Total Protection Constructed from high impact-resistant polycarbonate and double-enforced with a shock absorbing silicone outer-ring. Clear PET Screen Shield Scratch-resistant PET screen protector shields screen from fingerprints, smudges, scratches and moisture while maintaining complete touch screen interactivity. Ergonomically Carefully designed for a reliable, comfortable, non-slip hold. Kickstand The case features a custom opening to allow use of the device's built-in kickstand. Dust and Debris Insulation Camera lens protected by clear, durable PET film to keep out dust and debris and prevent scratches. Headphone jack and dock connectors fully protected under silicone plugs when not in use. Type: Case & Covers Compatible Phone Manufacturer: HTC Thunderbolt