Rocketfish RF-A4SH2RM Snap-On Case for Apple iPhone 4 and 4S - Red Designed for use with Apple iPhone 4 (all carriers) and 4S to protect your iPhone. Impact-resistant polycarbonate material protects your phone against drops and scratches. Form-fitting design maintains a slim profile. Play-through design allows easy access to your phone's keys and ports without removing the case.