This backpack reacts to flash. It’s called Geometric Luminous Backpack. It looks like a simple black bag, but changes color depending on the ambient light condition. This backpack made of high quality PU leather. And the inner lining was made by polyester.
How To Care:
To remove dirt, wipe gently with a damp, tightly wrung soft cloth and then wipe dry. Do not use paint thinner, benzene or detergent, etc.