The image is sharp and precise, it is a good illustration.
The sticker adheres well (glued to the wallpaper).
Small regret, the surface is shiny and reflects light so that the lamps can have a night appearance deceives the eye.
I have not had any problems with that but I have to take another 40 x 40 and cutting is a little less accurate and there is a white strip of less than a millimeter (unprinted) emerges if the glue on a dark background.