It's not LED light, but paint. And not just glow-in-the-dark paint, but a special kind of paint that turns on and off by reacting to an electric charge. It can be applied to any surface in any ...

They note that Life Paint can be applied to any fabric, including clothes, shoes, strollers, backpacks, or dog collars. An application lasts about a week and washes off without damaging the material.