Because of the difference between the monitor and the light, here is normal that a slight difference in color. The picture is clear, realistic, stereo sense is strong. How to remove wrinkles (1) Roll it up tightly with a cylinder for 3-4 days, it will be okay. (2) Heat it with a steam iron on the back of backdrop without water, if necessary, please iron the back surface with steam iron but not dry iron. Then it will be smooth again.