We have just put one of our newest color change t-shirts using special photo chromatic color changing ink powered by SolarActive® on sale! Get happy with our color changing happy face t-shirt. Using real SolarActive® technology this t-shirt change instantly when you go out in the sun, and then changes back once you go inside like magic! This uv color changing t-shirt will continue to change colors even after numerous washes! Go grab one today while it's still on sale!