As a global traveler you must prepare multiple SIM cards. If you want to conveniently change the SIM card in your iPhone 5, the following SIMPLcase iPhone 5 case should be a nice solution.
SIMPLcase is a multi functional protective case designed for iPhone 5. As we can see from the images, the iPhone 5 case features sleek ultra-slim design, and comes with an internal storage for up to three spare SIM cards and an included SIM tray eject tool so you can conveniently change your SIM card during your travels, while the storage securely keep other SIM cards in place. Moreover, the iPhone 5 case is made from polycarbonate thermoplastic resin to protect your iPhone 5 from bumps and scratches, and the slot on the back allows you to use your card to hold your iPhone 5 in portrait or landscape viewing mode just like an iPhone stand. Apart from that, the buttons and functions are accessible via custom cutouts of the protective case.
At present the team of SIMPLcase is raising fund at Kickstarter. Pledging $12 will let you own the iPhone 5 case. If you’re interested, jump to Kickstarter official site for more details.