iPhone 4 Case, iPhone 4S Case, Cellaria Holster SX Series - [Belt Clip] Shockproof Heavy Duty Rugged Case With Locking Belt Swivel Clip & Kickstand For iPhone 4/ iPhone 4S Designed Specifically for iPhone 4/ iPhone 4S. Outer enclosure hard shell constructed from impact-resistant polycarbonate and double-enforced with a shock absorbing silicone inner-sleeve. Corners feature double-thick silicone for outstanding protection against drops and other impacts. Features robust silicone--durable and absorbs impact force. Includes 2 pieces - a hard back case that slides into a locking belt clip swivel holster. Newly improved holster for more secure and easier mounting and dismounting. Precise cut and design; Easy access to all ports, sensors, speakers, cameras and all features.