This is a funny phone case, use physical thermal discoloration theory. As you put your hands on this back cover, It will change color.
【Environmental Protection Material】 - Harmless Premium PU leather, non-toxic and no damage. The color-changing with the temperature rising. It is not a chemical reaction, just a physical change.
【Thermal Sensor Leather】 - Made of heat induction leather, temperature contact will be sensitive to color change. It will change color if you touch it, come with comfortable touch feeling.
【Humanized Design】 - Precise cut and design, quick and easy access to all ports, sensors, speakers, cameras and all features. Works with charging docks. Ultra-thin phone shell, close fit with the phone, comfortable and lightweight, sleek design which is easy to unboxing and install.
【360° Protection】 - Full body protection, perfectly fits the shape. Including 4 sides, covered corners and a raised edge to protect the screen for your iPhone. Protect your iPhone from dust, scratching and shock.
【Best Gift Choice】 present for your family or friends. When they open and use it, It got the loudest "wow"