Heat Sensitive iPhone 5 Backing
Enjoy seeing your phone change colors with this heat sensitive backing!
This self-adhesive laser cut backing will change colors in the range 90
to 95 degrees F - or just below body temperature. At only .005" thick,
it'll fit nicely under any bumper you put on your phone.
as the backing changes color with heat from your hands, pocket, or
anywhere else you might put it. It will even change colors to reveal
outlines of its inner components while playing music, surfing, or while
on a phone call!