iPhone 4S Red Case, Empire Slim Fit Red Polka Dot Case for Apple iPhone 4 4S Specially designed Slim Fit Red Polka Dot Case for Apple iPhone 4 4S. Bright and bold polka dot pattern provides a unique vintage appearance with a smooth glossy finish. Precisely engineered one-piece snap-on design ensures outstanding protection for your Apple iPhone 4 4S. Made of the highest quality mould material for maximum protection and durability. EMPIRE is a registered trademark with the USPTO.