iPhone 4S Hard Shell Case Durable Dual Layer Hybrid Rugged Silicone Military Grade Case for iPhone 4 & 4S by VANGUARD CASES (Black) DUAL LAYER PROTECTION - Hard polycarbonate surrounds a silicone sleeve. SHOCKPROOF - Soft silicone absorbs shock before it gets to your phone. NO ADDED BULK - All the protection, while still effortlessly fitting into your pocket. TEXTURE - Indented "DOT" texture makes your phone easy to grip. 360 DEGREE PROTECTION - Raised lip extends past your screen to block it from drops.