Cyclops II for iPhone 4 (Compatible with iPhone 4S)KEY FEATURES: Impact-Resistant Silicone Resilient silicone inner-sleeve absorbs potential impacts, keeping the device in great condition. Hardened Polycarbonate The rugged outer-framework provides outstanding protection against impacts. Built-in Screen Protector The high quality, scratch-resistant screen protector help keep out dirt and moisture. Silicone Plugs Silicone plugs cover power ports and audio jacks, protecting the device from dirt and debris. Dust Filters High-quality dust filters keep out dust and debris particles.