Madera is an Australia based company that make wooden products. They made wallets in all sort of woods such as Cherry, Walnut, Oak and Maple.
They also made iPhone cases that can keep an extra SIM card and SIM ejector inside the wooden base. So you can change your SIM card when you need and afraid of losing it.
This case is available for iPhone 5, iPhone 5s and iPhone 6 for US$60 (approx RM 250)