If you like seeing your smartphone in all its glass/ceramic and aluminum glory, then the Spigen Air Skin iPhone Case is for you. The Air Skin is just 0.4mm thick and weighs 4g, making it the lightest and thinnest case in the whole world. It has been designed to showcase the original design of your smartphone while offering protection from external impacts, daily wear and tear, and scratches. The Air Skin is available in 6 different colors with a matte finish.
Its price tag is $17, check it out on Amazon.