hanky pankyWMU Monster Headpiece Hair And Bolts, Black, One size

Is this product adult sized, or for children?

If I were to cut away the forehead part, would the wig stay on? I need a flat-ish black wig, but I don't have the skills to make one myself.

Is the color like the picture? Or is it white?

My boyfriend's head is quite large.. He honestly had to special order helmets for high school football. Does anyone think this will fit him?